{"product_id":"cmmg-ar-15-carbine-collapsible-stock-kit-6-position-mil-spec","title":"CMMG AR-15 Carbine Collapsible Stock Kit 6-Position Mil-Spec","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMMG AR-15 Carbine Receiver Extension and Stock Kit\u003c\/span\u003e\u003c\/strong\u003e bundles all of the major hardware needed to complete a mil-spec carbine buffer system on a standard \u003cstrong\u003eAR-15\u003c\/strong\u003e lower. Designed and assembled by \u003cstrong\u003eCMMG\u003c\/strong\u003e, this kit takes the guesswork out of sourcing matching components so every piece is correctly dimensioned for a clean, drop-in installation on a carbine-class build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe kit centers on a \u003cstrong\u003e6-position M4-style collapsible buttstock\u003c\/strong\u003e with the familiar ribbed cheek slope and a rear sling loop, paired with a \u003cstrong\u003eCMMG 6-position mil-spec receiver extension (buffer tube)\u003c\/strong\u003e. The buttstock rides smoothly across the tube's detent positions, letting the shooter dial in length of pull for body armor, cold-weather layers, or compact storage. A mil-spec \u003cstrong\u003ebuffer tube castle nut\u003c\/strong\u003e and a matching \u003cstrong\u003ereceiver endplate\u003c\/strong\u003e round out the package, so installation only requires staking the castle nut and torquing the endplate screws.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eblack\u003c\/strong\u003e finish blends with factory AR components, and the \u003cstrong\u003emil-spec\u003c\/strong\u003e tube diameter keeps the kit broadly compatible with the wider AR-15 aftermarket, including standard carbine and many intermediate-length applications. Total assembled \u003cstrong\u003elength is approximately 15 inches\u003c\/strong\u003e, in line with a standard carbine-class stock and tube assembly.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCMMG 6-position M4 collapsible buttstock assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCMMG 6-position mil-spec receiver extension (buffer tube)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMil-spec buffer tube castle nut\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eReceiver endplate\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55292053848386,"sku":"55CA634","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_da6c89ad-5d46-4869-9cfe-b8a887c76e56.jpg?v=1785102187","url":"https:\/\/centerfiresystems.com\/products\/cmmg-ar-15-carbine-collapsible-stock-kit-6-position-mil-spec","provider":"Centerfire Systems","version":"1.0","type":"link"}