{"product_id":"guntec-usa-ar9-bolt-carrier-group-9mm-luger-mil-spec-nitride","title":"Guntec USA AR9 Bolt Carrier Group 9mm Luger Mil-Spec Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eGuntec USA AR9 Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is a dedicated \u003cstrong\u003e9mm Luger\u003c\/strong\u003e BCG engineered for AR-9 pistol-caliber carbines and rifles. The carrier is machined from fully heat-treated \u003cstrong\u003eMIL-SPEC 8620 steel\u003c\/strong\u003e and finished in a low-friction \u003cstrong\u003eblack nitride\u003c\/strong\u003e coating, delivering excellent wear resistance, corrosion protection, and easier cleanup compared to traditional phosphate finishes. This BCG is \u003cstrong\u003efull-auto rated\u003c\/strong\u003e and built to standard MIL-SPEC dimensions for drop-in fitment.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for versatility on the receiver side, the AR9 BCG is compatible with both \u003cstrong\u003eGlock-style\u003c\/strong\u003e and \u003cstrong\u003eColt-style\u003c\/strong\u003e AR-9 lower receivers, and the carrier is fully \u003cstrong\u003edust-cover compatible\u003c\/strong\u003e for a clean, factory-style fit. The bolt assembly includes a robust extractor optimized for reliable cycling across a wide range of 9mm loads.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt roughly \u003cstrong\u003e14.9 ounces\u003c\/strong\u003e, this is a solid drop-in option for new 9mm AR builds or as a replacement upgrade for worn factory BCGs. Made by \u003cstrong\u003eGuntec USA\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Guntec USA","offers":[{"title":"Default Title","offer_id":55344447750466,"sku":"ZGTBCG9","price":161.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_f7563611-6e2b-4a03-ae54-a7e05749a7e0.jpg?v=1785183217","url":"https:\/\/centerfiresystems.com\/products\/guntec-usa-ar9-bolt-carrier-group-9mm-luger-mil-spec-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}