{"id":1094,"date":"2018-02-25T16:25:31","date_gmt":"2018-02-25T15:25:31","guid":{"rendered":"https:\/\/gunsmithdesigner.com\/?p=1094"},"modified":"2020-04-16T03:47:45","modified_gmt":"2020-04-16T02:47:45","slug":"le-pistolet-amt-backup-2-en-380-auto-acp","status":"publish","type":"post","link":"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/","title":{"rendered":"Le pistolet AMT Backup 2 en 380 acp"},"content":{"rendered":"<p style=\"text-align: justify\">Par le pr\u00e9c\u00e9dent article, nous avons vu un revolver de d\u00e9fense de micro-fusion. Dans ce nouvel article, nous verrons un pistolet de d\u00e9fense : le pistolet AMT Backup 2. Il est fabriqu\u00e9 en grande partie avec le m\u00eame proc\u00e9d\u00e9. Il s&#8217;agit de deux armes \u00e9quivalentes sur certains points : m\u00eame capacit\u00e9, puissance similaire mais avec pour chacun une identit\u00e9 propre et donc des avantages et inconv\u00e9nients propres.<\/p>\n<div id='gallery-1' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1750\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1282\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1282'>\n\t\t\t\tPistolet AMT Backup II, cot\u00e9 droit.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1751\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-1283\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1751-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1283'>\n\t\t\t\tPistolet AMT Backup II, cot\u00e9 gauche.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>Une nouvelle fois ce qui va animer cet article, c&#8217;est la volont\u00e9 de pointer du doigt les choix des concepteurs et de les comparer avec ceux du revolver Charter Arms.<\/p>\n<div id='gallery-2' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1752\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-2-1289\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1752-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-1289'>\n\t\t\t\tAMT Backup II, vue de la face gauche et de la p\u00e9dale de suret\u00e9.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1754\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-2-1286\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1754-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-1286'>\n\t\t\t\tAMT Backup II, vvue de dessous.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1753\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-2-1288\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1753-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-1288'>\n\t\t\t\tAMT Backup II, vue de la face droite.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">L&#8217;arme pr\u00e9sente sur les photos est &#8220;dans son jus&#8221;. Elle a \u00e9t\u00e9 succinctement nettoy\u00e9e mais sans plus. Ce sera l&#8217;occasion d&#8217;un d\u00e9veloppement en conclusion.<\/p>\n<h2><strong>Pr\u00e9sentation de l&#8217;arme<\/strong><\/h2>\n<p style=\"text-align: justify\">Le Backup II est un petit pistolet de d\u00e9fense qui a \u00e9t\u00e9 produit de 1993 \u00e0 1998 par\u00a0 le fabricant AMT. L&#8217;entreprise a \u00e9t\u00e9 fond\u00e9e en 1977. Arcadia Machine and Tool (AMT) \u00e9tait un fabricant d&#8217;armes \u00e0 feu d&#8217;Irwindale en Californie. La production d&#8217;arme par AMT semble s&#8217;\u00e9taler de 1982 \u00e0 1995. Depuis cette date, l&#8217;entreprise a \u00e9t\u00e9 rachet\u00e9e \u00e0 plusieurs reprises pour finalement l&#8217;\u00eatre par High Standard (du moins \u00e0 l&#8217;heure ou je r\u00e9dige ces lignes). En regardant le site internet de cette derni\u00e8re entreprise, <a href=\"https:\/\/www.highstandard.com\/\">ici<\/a>, on ne peut pas dire que les produits AMT soient fortement repr\u00e9sent\u00e9s.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1244 aligncenter\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii-216x300.jpg\" alt=\"\" width=\"216\" height=\"300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii-216x300.jpg 216w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii-300x416.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii-600x832.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii.jpg 616w\" sizes=\"auto, (max-width: 216px) 100vw, 216px\" \/><\/p>\n<p style=\"text-align: justify\">Vous retrouverez <a href=\"http:\/\/www.genitron.com\/Handgun-Manufacturer\/AMT\">ici<\/a> plus en d\u00e9tail les mod\u00e8les propos\u00e9s \u00e0 l&#8217;origine par AMT. L&#8217;entreprise a construit ses armes autour de proc\u00e9d\u00e9s rapides d&#8217;obtention de pi\u00e8ces, je pense \u00e0 la micro-fusion. Il est impressionnant de voir que sur la totalit\u00e9 des pi\u00e8ces, un fort pourcentage de celles-ci sont r\u00e9alis\u00e9es \u00e0 partir d&#8217;une \u00e9bauche obtenue par ce proc\u00e9d\u00e9.<\/p>\n<div id=\"attachment_1287\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1287\" class=\"size-medium wp-image-1287\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-200x300.jpg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1756-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-1287\" class=\"wp-caption-text\">AMT Backup II, vue de dessus.<\/p><\/div>\n<h2><strong>Caract\u00e9ristiques de l&#8217;arme :<\/strong><\/h2>\n<ul>\n<li>calibre : 380 auto, 9 mm Browning court,\u00a0 9 x 17 mm ;<\/li>\n<li>longueur de l&#8217;arme : 149 mm ;<\/li>\n<li>hauteur de l&#8217;arme (avec chargeur) : 94 mm ;<\/li>\n<li>hauteur de l&#8217;arme (sans chargeur) : 101 mm ;<\/li>\n<li>\u00e9paisseur de l&#8217;arme : 23,5 mm ;<\/li>\n<li>poids de l&#8217;arme (avec chargeur vide) : 462 grammes ;<\/li>\n<li>poids de l&#8217;arme (avec chargeur garni de 5 cartouches) : 507 grammes ;<\/li>\n<li>capacit\u00e9 du chargeur : 5 coups ;<\/li>\n<li>mati\u00e8re : acier inox, plastique, aluminium.<\/li>\n<\/ul>\n<div id='gallery-3' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1748\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-3-1350\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1748-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-3-1350'>\n\t\t\t\tAMT Backup II, vue de la face gauche sans culasse ni plaquette de crosse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1734\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-3-1351\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1734-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-3-1351'>\n\t\t\t\tAMT Backup II, vue du ressort de percussion.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1747\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-3-1349\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1747-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-3-1349'>\n\t\t\t\tAMT Backup II, vue de la face droite de l&#8217;arme sans culasse ni plaquette de crosse. \n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Ce pistolet est une arme \u00e0 culasse non cal\u00e9e, dit autrement, il n&#8217;y a pas de verrouillage.\u00a0 La pression n&#8217;est pas suffisante pour devoir maintenir la culasse li\u00e9e au canon avant la sortie de la balle du canon et donc avant la retomb\u00e9e de la pression. L&#8217;inertie de la culasse, la force du ressort r\u00e9cup\u00e9rateur, l&#8217;armement du marteau sont des forces, entre autres, qui retardent l&#8217;ouverture de la culasse. Le m\u00e9canisme est plus simple, les pi\u00e8ces moins compliqu\u00e9es \u00e0 construire et \u00e0 assembler. On ne peut pas utiliser ce type de m\u00e9canisme avec tous les calibres.<\/p>\n<p style=\"text-align: justify\">Selon les normes CIP pour le calibre 9 mm court ( 9 x 17 mm , 380 auto) :<\/p>\n<ul>\n<li>la pression maximale moyenne : 1500 bar ;<\/li>\n<li>la pression moyenne d&#8217;\u00e9preuve : 1950 bar.<\/li>\n<\/ul>\n<div id=\"attachment_1301\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1301\" class=\"wp-image-1301 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1767-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1301\" class=\"wp-caption-text\">Cartouches 380 ACP, 9 x 17 mm, 9 mm court.<\/p><\/div>\n<p style=\"text-align: justify\">Le 380 auto est un excellent calibre. Concomitamment au fait d&#8217;avoir de faibles pressions (comme on l&#8217;a vu ci-dessus : il en r\u00e9sulte des armes simples car sans verrouillage), la vitesse de la balle est subsonique donc l&#8217;emploi d&#8217;un mod\u00e9rateur de son doit \u00eatre terriblement efficace. Et cela avec un poids de balle sup\u00e9rieur au 7,65 mm Browning. Donc une \u00e9nergie \u00e0 l&#8217;impact sup\u00e9rieure mais une fl\u00e8che sup\u00e9rieure aussi. Gardez cela dans un coin de votre esprit et testez le quand vous en aurez l&#8217;opportunit\u00e9.<\/p>\n<h2><strong>La carcasse<\/strong><\/h2>\n<div id='gallery-4' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1710\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-4-1338\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1710-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-4-1338'>\n\t\t\t\tAMT Backup II, la carcasse nue cot\u00e9 droite.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1711\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-4-1339\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1711-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-4-1339'>\n\t\t\t\tAMT Backup II, la carcasse nue cot\u00e9 gauche.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p><strong>Caract\u00e9ristiques de la carcasse :<\/strong><\/p>\n<ul>\n<li>la carcasse (sans le canon) entre dans un bloc capable de dimensions : 120 mm x 73 mm x 16 mm (la hauteur passe \u00e0 88,5 mm si on inclus le canon) ;<\/li>\n<li>mati\u00e8re : acier inoxydable ;<\/li>\n<li>les dimensions du logement de chargeur : 28 mm x 11,66 mm ;<\/li>\n<li>nombre de pi\u00e8ces : 12.<\/li>\n<\/ul>\n<p style=\"text-align: justify\">La carcasse d&#8217;un pistolet est comme celle d&#8217;un revolver, c&#8217;est une pi\u00e8ce maitresse qui r\u00e9unit les emplacements des fonctions majeures : logement du m\u00e9canisme de d\u00e9tente, logement du m\u00e9canisme de g\u00e2chette, logement du marteau, logement du ressort de marteau, logement du chargeur, logement du canon, les rails de guidage de la culasse&#8230; Donc beaucoup d&#8217;usinage important sur une seule pi\u00e8ce qui est finalement un carrefour ou pour reprendre un mot \u00e0 la mode dans le monde de l&#8217;armement contemporain : une plateforme.<\/p>\n<div id=\"attachment_1352\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1352\" class=\"wp-image-1352 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1730-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1352\" class=\"wp-caption-text\">AMT Backup II, vue du logement du m\u00e9canisme de percussion.<\/p><\/div>\n<p style=\"text-align: justify\">Certaines de ces fonctions d\u00e9pendent l&#8217;une de l&#8217;autre. Chacune d&#8217;elle est le maillon d&#8217;une chaine ou les tol\u00e9rances de fabrication des pi\u00e8ces influent sur la longueur de la chaine. L&#8217;armurier est l\u00e0 pour harmoniser le tout.<\/p>\n<div id='gallery-5' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1720\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-5-1333\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1720-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-5-1333'>\n\t\t\t\tAMT Backup II, vue du logement de barrette.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1719\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-5-1337\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1719-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-5-1337'>\n\t\t\t\tAMT Backup II, vue de l&#8217;arri\u00e8re de la carcasse nue.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Il n&#8217;y a pas de s\u00e9curit\u00e9 de percuteur, une p\u00e9dale de s\u00fbret\u00e9 (pi\u00e8ce de micro-fusion) au dos de la poign\u00e9e limite la course de la g\u00e2chette lorsque la main du tireur ne presse pas enti\u00e8rement la poign\u00e9e.<\/p>\n<div id='gallery-6' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1725\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-6-1336\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1725-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-6-1336'>\n\t\t\t\tAMT Backup II, le logement du m\u00e9canisme de percussion.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1723\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-6-1335\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1723-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-6-1335'>\n\t\t\t\tAMT Backup II, Le logement de la g\u00e2chette.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1721\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-6-1334\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1721-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-6-1334'>\n\t\t\t\tAMT Backup II, logement de la d\u00e9tente.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">L&#8217;usinage du logement de queue de d\u00e9tente est souvent un ensemble d&#8217;usinages complexes sur le Backup II, ce n&#8217;est pas le cas. Deux usinage simples &#8230; et cela fonctionne.<\/p>\n<div id='gallery-7' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1727\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-7-1342\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1727-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-7-1342'>\n\t\t\t\tAMT Backup II, le logement de la d\u00e9tente.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1715\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-7-1340\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1715-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-7-1340'>\n\t\t\t\tAMT Backup II, logement de la barrette s\u00e9paratrice. \n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Les plaquettes de crosse sont en plastique noir.<\/p>\n<div id='gallery-8' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1646\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-8-1245\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1646-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-8-1245'>\n\t\t\t\tAMT Backup II, vue sur les plaquettes de crosse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1647\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-8-1246\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1647-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-8-1246'>\n\t\t\t\tAMT Backup II, vue du dessous des plaquettes de crosse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<h2><strong>Le canon<\/strong><\/h2>\n<p style=\"text-align: justify\">Il existe plusieurs fa\u00e7ons de maintenir un canon \u00e0 sa place. Ici, le canon est soud\u00e9 sur la carcasse. Ce n&#8217;est pas un choix tr\u00e8s courant. Un canon fixe am\u00e9liore la pr\u00e9cision. Nous \u00e9tudions ici une arme de d\u00e9fense, la pr\u00e9cision n&#8217;est pas forc\u00e9ment ce qu&#8217;on lui demande le plus. Ce n&#8217;est donc pas pour des raisons de pr\u00e9cision que le canon est fixe mais probablement pour certaines facilit\u00e9s de fabrication. Des traces d&#8217;usinages existent au niveau de la soudure qui d\u00e9montre qu&#8217;une \u00e9tape est organis\u00e9e apr\u00e8s soudure pour r\u00e9duire d&#8217;\u00e9ventuelle sur\u00e9paisseur.<\/p>\n<div id='gallery-9' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1716\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-9-1290\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1716-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-9-1290'>\n\t\t\t\tAMT Backup II, vue de la soudure du canon.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1717\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-9-1291\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1717-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-9-1291'>\n\t\t\t\tAMT Backup II, vue du canon de l&#8217;arme.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Le canon mesure : 67 mm (chambre incluse).<\/p>\n<div id=\"attachment_1292\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1292\" class=\"size-medium wp-image-1292\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-200x300.jpg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1736-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-1292\" class=\"wp-caption-text\">AMT Backup II, l&#8217;entr\u00e9e de chambre.<\/p><\/div>\n<p style=\"text-align: justify\">Les parois du canon sont fines. Le diam\u00e8tre ext\u00e9rieur est : 12,8 mm. Les normes CIP donne pour ce calibre les dimensions d&#8217;\u00e2me suivantes :<\/p>\n<ul>\n<li style=\"text-align: justify\">sommet des rayures : 8,84 mm ;<\/li>\n<li>creux des rayures : 9,04 mm ;<\/li>\n<li>pas des rayures : selon le constructeur : 1 tour sur 16 pouces\u00a0 (soit 406 mm), selon les normes CIP : 1 tour sur 250 mm.<\/li>\n<\/ul>\n<div id='gallery-10' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1771\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-10-1297\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1771-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-10-1297'>\n\t\t\t\tAMT Backup II, vue d&#8217;une cartouche pr\u00e8te a \u00eatre chambr\u00e9e.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1772\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-10-1296\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1772-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-10-1296'>\n\t\t\t\tAMT Backup II, gros plan sur la rampe d&#8217;alimentation.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Le diam\u00e8tre int\u00e9rieur de la chambre est : 9,62 mm. Soit une \u00e9paisseur de parois au niveau de la chambre de : 1,59 mm.<\/p>\n<div id='gallery-11' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1770\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-11-1300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1770-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-11-1300'>\n\t\t\t\tAMT Backup II, vue d&#8217;une cartouche pr\u00e8s de la chambre.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1765\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-11-1299\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1765-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-11-1299'>\n\t\t\t\tAMT Backup II, une cartouche en chambre.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1764\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-11-1298\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1764-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-11-1298'>\n\t\t\t\tAMT Backup II, la face arri\u00e8re du canon une munition en chambre.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Le logement de l&#8217;extracteur est sur la g\u00e9n\u00e9ratrice sup\u00e9rieure du canon.<\/p>\n<h2><strong>Le m\u00e9canisme de d\u00e9tente et de percussion<\/strong><\/h2>\n<p style=\"text-align: justify\">Le m\u00e9canisme est assez simple, il ne fonctionne qu&#8217;en simple action. Il est compos\u00e9 d&#8217;une d\u00e9tente, une barrette s\u00e9paratrice, une g\u00e2chette, un marteau. Le tout est anim\u00e9 par quelques ressorts.<\/p>\n<div id=\"attachment_1293\" style=\"width: 614px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1293\" class=\"wp-image-1293 size-large\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-1024x683.jpg\" alt=\"\" width=\"604\" height=\"403\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1697-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><p id=\"caption-attachment-1293\" class=\"wp-caption-text\">AMT Backupup II, les pi\u00e8ces constituant le m\u00e9canisme.<\/p><\/div>\n<p style=\"text-align: justify\">Deux s\u00fbret\u00e9s existent sur cette arme :<\/p>\n<ul>\n<li>\n<p style=\"text-align: justify\">une p\u00e9dale de s\u00fbret\u00e9 intervenant sur la g\u00e2chette. Si le servant ne presse pas compl\u00e8tement la p\u00e9dale, la g\u00e2chette ne peut pivoter autour de son axe ;<\/p>\n<\/li>\n<li>\n<p style=\"text-align: justify\">un levier de s\u00fbret\u00e9 cot\u00e9 gauche qui lui aussi agit sur le d\u00e9placement de la g\u00e2chette.<\/p>\n<\/li>\n<\/ul>\n<div id=\"attachment_1346\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1346\" class=\"wp-image-1346 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1703-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1346\" class=\"wp-caption-text\">AMT Backup II, la d\u00e9tente.<\/p><\/div>\n<p style=\"text-align: justify\">La d\u00e9tente est produite par micro-fusion. Le ressort de la d\u00e9tente se place en son centre. Quelques points d&#8217;oxydation sont pr\u00e9sents.<\/p>\n<div id=\"attachment_1345\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1345\" class=\"wp-image-1345 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1701-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1345\" class=\"wp-caption-text\">AMT Backup II, la barrette s\u00e9paratrice.<\/p><\/div>\n<p style=\"text-align: justify\">La barrette s\u00e9paratrice est en deux morceaux. L&#8217;\u00e9paisseur de cette pi\u00e8ce est : 1 mm. Cette pi\u00e8ce parait fine&#8230;mais bon \u00e7a fonctionne. Un petit cylindre est serti dessus.<\/p>\n<div id=\"attachment_1344\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1344\" class=\"wp-image-1344 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1705-1-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1344\" class=\"wp-caption-text\">AMT Backup II, la g\u00e2chette.<\/p><\/div>\n<p style=\"text-align: justify\">La g\u00e2chette est une pi\u00e8ce de micro-fusion. Elle a une excroissance de chaque cot\u00e9. A gauche pour limiter les mouvements par la s\u00fbret\u00e9 manuelle, \u00e0 droite pour la p\u00e9dale de s\u00fbret\u00e9 arri\u00e8re et la barrette s\u00e9parateur. La g\u00e2chette de l&#8217;arme que l&#8217;on voit ici est oxyd\u00e9e comme plusieurs pi\u00e8ces du m\u00e9canisme.<\/p>\n<div id=\"attachment_1321\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1321\" class=\"wp-image-1321 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-200x300.jpg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1700-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-1321\" class=\"wp-caption-text\">AMT Backup II, vue du marteau et de ses 2 crans.<\/p><\/div>\n<p style=\"text-align: justify\">Le marteau est une pi\u00e8ce de micro-fusion. Il est fendu en son centre pour recevoir l&#8217;\u00e9jecteur. Deux crans ont \u00e9t\u00e9 taill\u00e9s \u00e0 sa base (un cran demi arm\u00e9 et un cran arm\u00e9).<\/p>\n<div id=\"attachment_1343\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1343\" class=\"wp-image-1343 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-200x300.jpg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1733-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-1343\" class=\"wp-caption-text\">AMT Backup II, vue sur l&#8217;\u00e9jecteur qui se trouve au centre du marteau.<\/p><\/div>\n<p style=\"text-align: justify\">L&#8217;\u00e9jecteur se trouve au milieu du marteau. Il s&#8217;agit d&#8217;une t\u00f4le d\u00e9coup\u00e9e visiblement par emboutissage.<\/p>\n<div id=\"attachment_1322\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1322\" class=\"wp-image-1322 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1707-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1322\" class=\"wp-caption-text\">AMT Backup II, l&#8217;arr\u00eatoir de chargeur.<\/p><\/div>\n<p style=\"text-align: justify\">Le verrou de chargeur est une pi\u00e8ce aux formes complexes. Il aurait \u00e9t\u00e9 particuli\u00e8rement long et couteux de le r\u00e9aliser autrement qu&#8217;en micro-fusion. L&#8217;arr\u00eatoir de chargeur se trouve \u00e0 la base de la poign\u00e9e. Il faut d\u00e9chausser l&#8217;arme pour extraire le chargeur.\u00a0 Dans une action d&#8217;urgence, il y a moins de chance de perdre le chargeur qu&#8217;en pressant un poussoir qui se trouverait pr\u00e8s du pouce&#8230; A voir selon les go\u00fbts.<\/p>\n<div id=\"attachment_1325\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1325\" class=\"wp-image-1325 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-300x200.jpg\" alt=\"AMT Backup II, la p\u00e9dale de s\u00fbret\u00e9.\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1698-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1325\" class=\"wp-caption-text\">AMT Backup II, la p\u00e9dale de s\u00fbret\u00e9.<\/p><\/div>\n<p style=\"text-align: justify\">La p\u00e9dale de s\u00fbret\u00e9 est aussi une pi\u00e8ce de micro-fusion. Tout comme la barrette s\u00e9parateur, les parois de la p\u00e9dale sont tr\u00e8s fines. Cela d\u00e9montre la finesse de ce proc\u00e9d\u00e9.<\/p>\n<h2><strong>La culasse et la simplification par la division<\/strong><\/h2>\n<p style=\"text-align: justify\">La chose importante du point de vue de la conception et qui relie cet article au pr\u00e9c\u00e9dent, c&#8217;est la culasse. Seule la culasse a suivi la voie de la simplification par la division. Celle-ci est en deux parties. Je\u00a0 les appellerais le corps de la culasse et la t\u00eate de culasse. (voir photos ci-dessous).<\/p>\n<div id='gallery-12' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1744\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-12-1308\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1744-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-12-1308'>\n\t\t\t\tAMT Backup II, la culasse compl\u00e8te.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1740\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-12-1312\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1740-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-12-1312'>\n\t\t\t\tAMT Backup II, la culasse en cours de d\u00e9montage.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1745\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-12-1307\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1745-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-12-1307'>\n\t\t\t\tAMT Backup II, vue de la cuvette de tir.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>La culasse entre dans un bloc capable de : 124,5 mm x 31,5 mm x 20,3 mm. Elle en acier. Je pense que l&#8217;\u00e9bauche de la pi\u00e8ce provient de micro-fusion. Je dis &#8220;je pense&#8221; car ce n&#8217;est pas flagrant. Ce qui me fait dire cela est la forme de l&#8217;emplacement du marteau. Le\u00a0 marteau n&#8217;\u00e9tant pas apparent, il faut lui am\u00e9nager un emplacement interne (comme sur le pistolet Ruby). Ce logement, sur le pistolet Backup II, ne peut \u00eatre obtenu par un usinage classique (fraisage), il n&#8217;a pas de trace de fraise (rayon de la fraise, ici les angles sont vifs). La micro-fusion est tr\u00e8s fine.<\/p>\n<div id='gallery-13' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1741\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-13-1310\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1741-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-13-1310'>\n\t\t\t\tAMT Backup II, la t\u00eate de culasse dans son logement.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1742\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-13-1311\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1742-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-13-1311'>\n\t\t\t\tAMT Backup II, vue du dessous de la culasse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>Le ressort r\u00e9cup\u00e9rateur et sa tige guide se logent sous le canon.<\/p>\n<div id='gallery-14' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1680\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-14-1271\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1680-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-14-1271'>\n\t\t\t\tAMT Backup II, le dessus du corps de culasse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1672\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-14-1267\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1672-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-14-1267'>\n\t\t\t\tAMT Backup II, vue de la culasse nue.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<div id='gallery-15' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1673\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-15-1268\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1673-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-15-1268'>\n\t\t\t\tAMT Backup II, vue de l&#8217;int\u00e9rieur de la culasse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1677\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-15-1272\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1677-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-15-1272'>\n\t\t\t\tAMT Backup II, le logement du marteau.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1674\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-15-1269\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1674-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-15-1269'>\n\t\t\t\tAMT Backup II, vue de l&#8217;int\u00e9rieur de la culasse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">La culasse est en deux partie, ce qui divise la difficult\u00e9 de fabrication. On cr\u00e9e ainsi des acc\u00e8s l\u00e0 ou on il n&#8217;y en avait pas. On limite le nombre de rebus possible apr\u00e8s des usinages complexes. Le choix d&#8217;avoir une cuvette de tir amovible est tr\u00e8s utile aussi si l&#8217;on fabrique un m\u00eame mod\u00e8le d&#8217;arme en plusieurs calibres. Si le corps de culasse est identique pour diff\u00e9rents calibres, il suffit alors de changer la &#8220;t\u00eate de culasse&#8221; selon la version. Le pistolet Backup II n&#8217;existe qu&#8217;en 380 auto.<\/p>\n<div id='gallery-16' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1679\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-16-1273\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1679-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-16-1273'>\n\t\t\t\tAMT Backup II, l&#8217;extr\u00e9mit\u00e9 de la culasse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1676\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-16-1274\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1676-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-16-1274'>\n\t\t\t\tAMT Backup II, l&#8217;int\u00e9rieur de la culasse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">La t\u00eate de culasse est amovible. Elle entre dans un bloc capable de : 35,3 mm x 14,8 mm x 14 mm. Elle est maintenue sur le corps de la culasse par une goupille \u00e9lastique type m\u00e9canindus (diam\u00e8tre : 3 mm). L&#8217;effort produit par les gaz de combustion ne s&#8217;applique pas sur la goupille. Dit autrement, la pi\u00e8ce secondaire n&#8217;est pas seulement maintenue en place par une goupille \u00e9lastique. Mais le concepteur a am\u00e9nag\u00e9 des surfaces d&#8217;appui de la pi\u00e8ce secondaire sur le corps de la culasse. Au d\u00e9part du coup la pression appliqu\u00e9e par l&#8217;interm\u00e9diaire de l&#8217;\u00e9tui vient plaquer la t\u00eate de culasse sur ses but\u00e9es arri\u00e8res, dans le corps de la culasse.<\/p>\n<div id='gallery-17' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1681\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-17-1275\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1681-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-17-1275'>\n\t\t\t\tAMT Backup II, la t\u00eate de culasse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1686\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-17-1278\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1686-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-17-1278'>\n\t\t\t\tAMT Backup II, le logement de l&#8217;extracteur.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1682\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-17-1276\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1682-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-17-1276'>\n\t\t\t\tAMT Backup II, la t\u00eate de culasse nue cot\u00e9 gauche.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<div id='gallery-18' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1683\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-18-1277\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1683-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-18-1277'>\n\t\t\t\tAMT Backup II, la cuvette de tir.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1653\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-18-1279\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1653-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-18-1279'>\n\t\t\t\tAMT Backup II, dessous de la t\u00eate de culasse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">La t\u00eate de culasse se d\u00e9monte par le dessus du corps de la culasse, apr\u00e8s extraction de la goupille. Il faut prendre soin de rentrer le percuteur dans son logement avec un tournevis fin ou en utilisant l&#8217;extracteur (voir plus loin dans cette article) sinon vous ne pourrez pas d\u00e9solidariser les deux pi\u00e8ces car le percuteur butte \u00e0 l&#8217;int\u00e9rieur du corps de la culasse.<\/p>\n<div id='gallery-19' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1761\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-19-1318\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1761-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-19-1318'>\n\t\t\t\tAMT Backup II, une cartouche pr\u00e9sent\u00e9e sur la cuvette de tir.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1762\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-19-1317\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1762-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-19-1317'>\n\t\t\t\tAMT Backup II, une cartouche sur la t\u00eate de culasse.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">La culasse n&#8217;est pas dot\u00e9e d&#8217;une s\u00e9curit\u00e9 de percuteur.<\/p>\n<div id='gallery-20' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1739\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-20-1316\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1739-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-20-1316'>\n\t\t\t\tAMT Backup II, la cuvette de tir avec l&#8217;extracteur.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1738-2\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-20-1315\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1738-1-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-20-1315'>\n\t\t\t\tAMT Backup II, l&#8217;arri\u00e8re de la t\u00eate de culasse. \n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1737\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-20-1313\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1737-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-20-1313'>\n\t\t\t\tAMT Backup II, la cuvette de tir et l&#8217;extracteur. \n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">Le poids de la culasse compl\u00e8te est : 178 grammes. Le poids du corps de la culasse est : 145 grammes. Le poids de la t\u00eate de la culasse est : 32 grammes. Le poids de la goupille d&#8217;assemblage est : 1 gramme. Ces donn\u00e9es sont importantes \u00e0 des fin de comparaison entre arme de m\u00eame cat\u00e9gorie, calibre.<\/p>\n<p style=\"text-align: justify\">La culasse est guid\u00e9e \u00e0 l&#8217;avant par le canon, \u00e0 l&#8217;arri\u00e8re par deux petits tenons \u00e0 droite et \u00e0 gauche de la carcasse. Le canon d\u00e9passe de 1,8 mm de la culasse. La course de la culasse\u00a0 : 34,35 mm (de sa but\u00e9e avant \u00e0 sa but\u00e9e arri\u00e8re).<\/p>\n<p style=\"text-align: justify\">La longueur maxi de la cartouche (selon les normes CIP) : 25 mm. La longueur maxi de l&#8217;\u00e9tui : 17,33 mm.<\/p>\n<p style=\"text-align: justify\">Une excroissance du dessous de l&#8217;extracteur maintien le percuteur dans son logement. Finalement une seule goupille (celle de l&#8217;extracteur, ou plus exactement un axe) donne la coh\u00e9sion \u00e0 l&#8217;ensemble.<\/p>\n<p style=\"text-align: justify\">L&#8217;excroissance de l&#8217;extracteur qui maintien le percuteur est utile pour la d\u00e9solidarisation de la t\u00eate de culasse du corps de culasse. En effet, l&#8217;arri\u00e8re du percuteur bute dans l&#8217;int\u00e9rieur de la culasse lors du d\u00e9montage. Hors en relevant l&#8217;extracteur, vers le dessus, cela a pour but d&#8217;enfoncer le percuteur dans son logement donc l&#8217;arri\u00e8re du percuteur ne bute plus \u00e0 l&#8217;int\u00e9rieur de la culasse.<\/p>\n<div id='gallery-21' class='gallery galleryid-1094 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1689\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-21-1265\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1689-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-21-1265'>\n\t\t\t\tAMT Backup II, les pi\u00e8ces de la culasse.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1692\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-21-1264\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1692-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-21-1264'>\n\t\t\t\tAMT Backup II, l&#8217;extracteur et le percuteur.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<h2><strong>Le chargeur<\/strong><\/h2>\n<p><strong>Caract\u00e9ristiques :<\/strong><\/p>\n<ul>\n<li>dimensions du chargeur : 85 mm x 40,2 mm x 16 mm ;<\/li>\n<li>dimensions de la section du chargeur : 27 mm x 11,4 mm ;<\/li>\n<li>la contenance du chargeur : 5 cartouches ;<\/li>\n<li>nombre de pi\u00e8ces : 5.<\/li>\n<\/ul>\n<div id='gallery-22' class='gallery galleryid-1094 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1668-2\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-22-1263\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1668-1-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-22-1263'>\n\t\t\t\tAMT Backup II, le cot\u00e9 droit du chargeur.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1759\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-22-1302\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1759-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-22-1302'>\n\t\t\t\tAMT Backup II, le chargeur garni.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/img_1669\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-200x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-22-1248\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-200x300.jpg 200w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-300x450.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-768x1152.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-683x1024.jpg 683w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-600x900.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1669-1320x1980.jpg 1320w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-22-1248'>\n\t\t\t\tAMT Back II, le chargeur cot\u00e9 gauche.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify\">La planchette \u00e9l\u00e9vatrice et le verrou de fond de chargeur sont en plastique. Le fond de chargeur est en aluminium, il poss\u00e8de une forte excroissance qui est tr\u00e8s importante pour la prise en main de l&#8217;arme. Sans celle-ci, le tireur aurait la place pour un doigt et demi&#8230; voir un seul selon sa morphologie.<\/p>\n<div id=\"attachment_1247\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1247\" class=\"wp-image-1247 size-medium\" src=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-300x200.jpg 300w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-768x512.jpg 768w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-1024x683.jpg 1024w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-600x400.jpg 600w, https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1670-1320x880.jpg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1247\" class=\"wp-caption-text\">Le fond de chargeur en alu qui fait office de repose doigt.<\/p><\/div>\n<h2><strong>Conclusion<\/strong><\/h2>\n<p style=\"text-align: justify\">Si l&#8217;on compare le pistolet Backup II et le revolver de Charter arms, ces deux armes ont des similitudes. Mais alors &#8230;lequel choisir pour sa d\u00e9fense ? Est il plus int\u00e9ressant de prendre un revolver ? Un pistolet ? Doit on privil\u00e9gier un m\u00e9canisme de revolver en simple et double action ou un pistolet chambr\u00e9, marteau \u00e0 l&#8217;arm\u00e9 et dot\u00e9 d&#8217;une p\u00e9dale de s\u00fbret\u00e9 ? Est ce que l&#8217;on pourrait porter un revolver charg\u00e9, marteau \u00e0 l&#8217;arm\u00e9 sous pr\u00e9texte que l&#8217;arme est dot\u00e9 d&#8221;une s\u00e9curit\u00e9 de percuteur ? Est on certain que 5 cartouches suffiront \u00e0 r\u00e9gler le probl\u00e8me auquel on doit faire face ? Dans le cas inverse, quel mode de rechargement est le plus efficient ? Ces questions ont pour but de provoquer la r\u00e9flexion du lecteur sur les divers choix possibles.<\/p>\n<p style=\"text-align: justify\">Les revolvers sont, je pense, comme les fusils \u00e0 pompe. Bien que les fusils automatiques en calibre 12 existent, les fusil \u00e0 pompe ne seront probablement jamais d\u00e9tr\u00f4n\u00e9s et bien que l&#8217;on perde en rapidit\u00e9 de tir et temps d&#8217;alimentation on gagne en fiabilit\u00e9 et en rusticit\u00e9. Le revolver fait parti de l\u2019\u00e9ventail des choix possibles d&#8217;un collectionneur et d&#8217;un usag\u00e9.<\/p>\n<p style=\"text-align: justify\">L&#8217;arme que nous avons vu ici est dans son jus. Elle n&#8217;a \u00e9t\u00e9 que tr\u00e8s succinctement nettoy\u00e9e pour la r\u00e9daction de cet article. Elle est sens\u00e9e \u00eatre en acier inoxydable or on a vu sur les photos qu&#8217;une l\u00e9g\u00e8re fleur de rouille est pr\u00e9sente par endroit. Il aurait \u00e9t\u00e9 ais\u00e9 de sabler l&#8217;arme pour retirer cette fleur de rouille (m\u00eame dans les plus petits recoins) et de lui redonner un air de jeunesse. Tout \u00e7a pour dire qu&#8217;un d\u00e9montage int\u00e9grale est de temps en temps utile m\u00eame si les armes sont vendues comme \u00e9tant en acier inoxydable, certain de ces aciers s&#8217;oxydent. Une visite p\u00e9riodique en profondeur \u00e9vite aussi les mauvaises surprises apr\u00e8s l&#8217;achat ou la r\u00e9cup\u00e9ration d&#8217;une arme d&#8217;occasion.<\/p>\n<p style=\"text-align: justify\">Lorsque autant de pi\u00e8ces d&#8217;une m\u00eame arme sont fabriqu\u00e9es par ce proc\u00e9d\u00e9, l&#8217;\u00e9conomie de temps doit \u00eatre cons\u00e9quente. Encore faut il que les pi\u00e8ces soient correctement finies. Deux \u00e9coles pourraient \u00eatre en comp\u00e9tition. La premi\u00e8re serait de limiter au stricte minimum les interventions apr\u00e8s \u00e9bauche (on accepterait alors des imperfections d&#8217;\u00e9tat de surface et un rendu un peu brut), la seconde serait de r\u00e9aliser des \u00e9bauches avec suffisamment de mati\u00e8re pour r\u00e9usiner toute les surfaces et avoir dans ce cas une pi\u00e8ce esth\u00e9tiquement parfaite aux tol\u00e9rances plus fines. Dans ce dernier cas, on ne b\u00e9n\u00e9ficie pas enti\u00e8rement des \u00e9conomies offertes par la micro-fusion.<\/p>\n<p style=\"text-align: justify\">La r\u00e9putation des armes AMT n&#8217;a pas toujours \u00e9t\u00e9 fantastique : probl\u00e8mes de construction, de conception, de finition, d&#8217;alimentation. C&#8217;est selon certaines sources internet la raison de la revente de l&#8217;entreprise. Que vaut une entreprise dont les produits ne sont pas fantastiques ? Pourquoi acheter une entreprise si les fruits de celle-ci ne sont viables et souffrent d&#8217;une mauvaise r\u00e9putation? C&#8217;est une question dont il serait int\u00e9ressant d&#8217;avoir les dessous pour les armuriers qui seraient tent\u00e9s d&#8217;investir dans une marque ou d&#8217;en cr\u00e9er une.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Par le pr\u00e9c\u00e9dent article, nous avons vu un revolver de d\u00e9fense de micro-fusion. Dans ce nouvel article, nous verrons un pistolet de d\u00e9fense : le pistolet AMT Backup 2. Il est fabriqu\u00e9 en grande partie avec le m\u00eame proc\u00e9d\u00e9. Il &hellip; <a href=\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[8,119],"tags":[],"class_list":["post-1094","post","type-post","status-publish","format-standard","hentry","category-armes-de-poing-fr","category-tous-les-articles-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le pistolet AMT Backup 2 en 380 acp - gunsmithdesigner.com<\/title>\n<meta name=\"description\" content=\"Ce nouvel article gunsmithdesigner traite du pistolet AMT Backup 2 en calibre 380 auto. 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On verra ici un nouveau cas de la simplification par le division.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/\" \/>\n<meta property=\"og:site_name\" content=\"gunsmithdesigner.com\" \/>\n<meta property=\"article:published_time\" content=\"2018-02-25T15:25:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-16T02:47:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/IMG_1750-300x200.jpg\" \/>\n<meta name=\"author\" content=\"C\u00e9dric\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"C\u00e9dric\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/\",\"url\":\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/\",\"name\":\"Le pistolet AMT Backup 2 en 380 acp - gunsmithdesigner.com\",\"isPartOf\":{\"@id\":\"https:\/\/gunsmithdesigner.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/gunsmithdesigner.com\/index.php\/2018\/02\/25\/le-pistolet-amt-backup-2-en-380-auto-acp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/gunsmithdesigner.com\/wp-content\/uploads\/2018\/02\/amt-sales-flyers-1995-380-backup-ii-216x300.jpg\",\"datePublished\":\"2018-02-25T15:25:31+00:00\",\"dateModified\":\"2020-04-16T02:47:45+00:00\",\"author\":{\"@id\":\"https:\/\/gunsmithdesigner.com\/#\/schema\/person\/0e441c05bf13be3dd1f924d99aeb94dc\"},\"description\":\"Ce nouvel article gunsmithdesigner traite du pistolet AMT Backup 2 en calibre 380 auto. 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