{"product_id":"rock-river-arms-bolt-carrier-group-5-56x45mm-nato-phosphate-full-auto","title":"Rock River Arms Bolt Carrier Group 5.56x45mm NATO Phosphate Full-Auto","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eRock River Arms Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e BCG built for the \u003cstrong\u003eAR-15 \/ M16 platform\u003c\/strong\u003e. Manufactured by Rock River Arms to the same standards the company applies to its complete rifles, it gives builders and upgraders a quality component for new builds, replacements, or upgrades.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis carrier uses the \u003cstrong\u003efull-auto (M16) profile\u003c\/strong\u003e, featuring the extended carrier body with the \u003cstrong\u003eauto-sear shelf\u003c\/strong\u003e machined into the bottom of the carrier. The \u003cstrong\u003ephosphate\u003c\/strong\u003e finish provides corrosion resistance and a lubricious surface that keeps the carrier running smoothly through the firing cycle. At standard carrier dimensions of \u003cstrong\u003e1.15\" x 2.10\" x 9.25\"\u003c\/strong\u003e and weighing approximately \u003cstrong\u003e0.78 lbs\u003c\/strong\u003e, this BCG is a drop-in fit for any standard AR-15 \/ M16-pattern upper receiver, bolt assembly, and gas system.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rock River Arms","offers":[{"title":"Default Title","offer_id":55314772132162,"sku":"AR0032BGRP","price":158.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_f8f878d9-152d-4271-b717-08832b0d2ba3.jpg?v=1785137599","url":"https:\/\/centerfiresystems.com\/products\/rock-river-arms-bolt-carrier-group-5-56x45mm-nato-phosphate-full-auto","provider":"Centerfire Systems","version":"1.0","type":"link"}