{"product_id":"ballistic-adv-modern-series-ar-15-5-56x45mm-nato-16-m4-barrel-black-qpq","title":"Ballistic Adv Modern Series AR-15 5.56x45mm NATO 16\" M4 Barrel - Black QPQ","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eBallistic Adv Modern Series 16\" M4 Carbine Length AR-15 Barrel\u003c\/strong\u003e\u003c\/span\u003e is a replacement barrel for \u003cstrong\u003eAR-15\u003c\/strong\u003e builds or barrel replacements. It is chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e and uses a \u003cstrong\u003e16 in\u003c\/strong\u003e rifled bore with an \u003cstrong\u003eM4 profile\u003c\/strong\u003e and \u003cstrong\u003e1:7\u003c\/strong\u003e twist.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt from \u003cstrong\u003e4150 chrome-moly-vanadium steel\u003c\/strong\u003e, this barrel has a \u003cstrong\u003eblack QPQ finish\u003c\/strong\u003e and a QPQ-coated \u003cstrong\u003eM4 feed-ramp extension\u003c\/strong\u003e. Its \u003cstrong\u003ecarbine-length gas system\u003c\/strong\u003e uses a \u003cstrong\u003e.750 in gas-block journal\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe muzzle is \u003cstrong\u003ethreaded 1\/2x28\u003c\/strong\u003e for compatible muzzle devices. This \u003cstrong\u003e28 oz\u003c\/strong\u003e barrel has \u003cstrong\u003eno sights\u003c\/strong\u003e and is made in the \u003cstrong\u003eUSA\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ballistic Adv","offers":[{"title":"Default Title","offer_id":54988480741698,"sku":"5730","price":108.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b2379500-605a-431d-aac0-1d3c9736aaf5.png?v=1784136616","url":"https:\/\/centerfiresystems.com\/products\/ballistic-adv-modern-series-ar-15-5-56x45mm-nato-16-m4-barrel-black-qpq","provider":"Centerfire Systems","version":"1.0","type":"link"}