{"product_id":"luth-ar-bc-a-223t-bolt-carrier-group-223-5-56-ar-15-tin-finish","title":"Luth-AR BC-A-223T Bolt Carrier Group .223\/5.56 AR-15 TiN Finish","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR BC-A-223T\u003c\/span\u003e\u003c\/strong\u003e is a fully assembled \u003cstrong\u003eBolt Carrier Group\u003c\/strong\u003e built for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform and chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223\/5.56\u003c\/span\u003e\u003c\/strong\u003e. The carrier is constructed from \u003cstrong\u003e8620 steel\u003c\/strong\u003e, paired with a \u003cstrong\u003e4340 alloy steel\u003c\/strong\u003e cam pin and a \u003cstrong\u003e4130 alloy steel\u003c\/strong\u003e carrier key, and heat treated to \u003cstrong\u003eArmy specifications\u003c\/strong\u003e. The \u003cstrong\u003eBC-A-223T\u003c\/strong\u003e ships fully assembled with the bolt, cam pin, firing pin, retaining pin, and carrier key already in place, making it a direct replacement or upgrade for .223 Remington and 5.56 NATO AR-15 builds.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis variant carries a \u003cstrong\u003eTitanium Nitride (TiN)\u003c\/strong\u003e finish, which gives the carrier a distinctive \u003cstrong\u003egold\u003c\/strong\u003e color. Produced by \u003cstrong\u003eLuth-AR\u003c\/strong\u003e and ready to install in any standard AR-15 upper.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55082373742914,"sku":"196419","price":163.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_069d9603-aa90-49d4-a29d-57c1e2caedb9.png?v=1784765910","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-bc-a-223t-bolt-carrier-group-223-5-56-ar-15-tin-finish","provider":"Centerfire Systems","version":"1.0","type":"link"}