{"product_id":"odin-works-low-mass-bolt-carrier-group-ar-15-223-5-56-black-nitride","title":"Odin Works Low Mass Bolt Carrier Group AR-15 .223\/5.56 Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eOdin Works Low Mass Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is a high-performance replacement BCG engineered for \u003cstrong\u003eAR-15 and M4 platform\u003c\/strong\u003e rifles chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Remington, 5.56 NATO, and .300 Blackout\u003c\/span\u003e\u003c\/strong\u003e. Designed for shooters seeking reduced reciprocating mass, this \u003cstrong\u003elow mass\u003c\/strong\u003e BCG helps tame felt recoil, allows the rifle to cycle more smoothly, and is particularly well-suited to shorter gas system configurations and suppressed use.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe carrier is precision-machined from \u003cstrong\u003e8620 case hardened steel\u003c\/strong\u003e and paired with a \u003cstrong\u003e9310 steel\u003c\/strong\u003e bolt, both finished in a low-friction \u003cstrong\u003eblack nitride\u003c\/strong\u003e coating. The advanced nitride treatment creates a hardened surface that reduces friction, improves lubricity, and resists corrosion far better than standard phosphate finishes. The Mil-Spec \u003cstrong\u003eType 2 bolt face\u003c\/strong\u003e and overall dimensions ensure drop-in compatibility with standard AR-15\/M4 upper receivers and barrels chambered in the supported calibers.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt as a true \u003cstrong\u003ehigh-performance part\u003c\/strong\u003e, this Low Mass BCG changes how your rifle cycles and feels on the gun. It is engineered for reliable function across a wide range of ammunition and is fully compatible with both \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e and \u003cstrong\u003e.300 Blackout\u003c\/strong\u003e platforms, making it a versatile upgrade for duty, defense, competition, and sport applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Odin Works","offers":[{"title":"Default Title","offer_id":55315154043202,"sku":"ACC223BCGLM","price":170.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_5cda8c9e-fe6b-430a-a951-c8d1070339cb.jpg?v=1785138045","url":"https:\/\/centerfiresystems.com\/products\/odin-works-low-mass-bolt-carrier-group-ar-15-223-5-56-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}