{"product_id":"ar-15-300-aac-blackout-upper-kit-with-145-barrel-and-10-free-float-super-slim-keymod-handguard-rail-kit0058","title":"AR-15 .300 AAC Blackout Upper Kit with 14.5 Barrel and 10 Free Float Super Slim Keymod Handguard Rail","description":"\u003cp\u003eThis is an unassembled kit for building a functioning AR-15 pistol with a .300 AAC Blackout barrel. The kit does not include lower receiver, bolt carrier group or charging handle.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eUpper receiver - US made\u003c\/li\u003e\n\t\u003cli\u003eEjection port\/dust cover assembly\u003c\/li\u003e\n\t\u003cli\u003eForward assist assembly\u003c\/li\u003e\n\t\u003cli\u003e14.5\" .300 Blackout Pistol Barrel - US made\u003c\/li\u003e\n\t\u003cli\u003eCarbine length gas tube - US made\u003c\/li\u003e\n\t\u003cli\u003eLow profile gas block (tool and set screws included)\u003c\/li\u003e\n\t\u003cli\u003eMuzzle brake (birdcage design) with crush washer\u003c\/li\u003e\n\t\u003cli\u003e10\" super slim quad rail\u003c\/li\u003e\n\t\u003cli\u003eSteel barrel nut included but not shown\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52668784410946,"sku":"KIT0058","price":246.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__83745.1697572345.1280.1280.jpg?v=1774274458","url":"https:\/\/centerfiresystems.com\/products\/ar-15-300-aac-blackout-upper-kit-with-145-barrel-and-10-free-float-super-slim-keymod-handguard-rail-kit0058","provider":"Centerfire Systems","version":"1.0","type":"link"}