{"product_id":"angstadt-arms-ar-15-223-5-56-bolt-carrier-group-black-nitride","title":"Angstadt Arms AR-15 .223\/5.56 Bolt Carrier Group - Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eAngstadt Arms AR-15 Bolt Carrier Group Assembly\u003c\/strong\u003e\u003c\/span\u003e is a complete, drop-in BCG machined to Mil-Spec dimensions for Mil-Spec AR-15 upper receivers. It supports AR-15 configurations chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.56x45mm NATO, .223 Remington, and .300 Blackout\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe assembly combines a precision-machined \u003cstrong\u003e8620 alloy steel carrier\u003c\/strong\u003e with a \u003cstrong\u003eCarpenter 158 tool steel 5.56 bolt\u003c\/strong\u003e. The bolt is \u003cstrong\u003ehigh-pressure tested, magnetic-particle inspected, and shot-peened\u003c\/strong\u003e. Its \u003cstrong\u003eM16-cut carrier profile\u003c\/strong\u003e includes forward-assist serrations and is compatible with most AR-15 triggers.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA properly staked gas key is secured with \u003cstrong\u003eGrade 8 fasteners\u003c\/strong\u003e. The carrier group has a \u003cstrong\u003eQPQ black nitride finish\u003c\/strong\u003e and \u003cstrong\u003eblack color\u003c\/strong\u003e. This current-production component is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Angstadt Arms","offers":[{"title":"Default Title","offer_id":54988362154306,"sku":"145424","price":123.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_7a8ad189-9cc0-4f9f-9395-1ffd7c021e18.png?v=1784132012","url":"https:\/\/centerfiresystems.com\/products\/angstadt-arms-ar-15-223-5-56-bolt-carrier-group-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}