{"product_id":"cmmg-bolt-assembly-ar-15-5-56-nato-9310-steel-phosphate-black","title":"CMMG Bolt Assembly AR-15 5.56 NATO 9310 Steel Phosphate Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMMG AR-15 Bolt Assembly\u003c\/span\u003e\u003c\/strong\u003e is a drop-in replacement bolt for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform, chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e and fully compatible with \u003cstrong\u003e.223 Remington\u003c\/strong\u003e. It is an ideal spare or service-rebuild component for any standard AR-15, manufactured to the same quality standard CMMG installs in their complete rifles and uppers.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe bolt body is machined from \u003cstrong\u003e9310 steel\u003c\/strong\u003e and finished in a corrosion-resistant \u003cstrong\u003ephosphate\u003c\/strong\u003e coating (black) for long service life under hard use. The extractor is manufactured from \u003cstrong\u003e4140 steel\u003c\/strong\u003e with a matching phosphate finish. The assembly ships with the \u003cstrong\u003eextractor, ejector, and gas rings pre-installed\u003c\/strong\u003e, so you can drop it straight into a compatible bolt carrier.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is an authentic \u003cstrong\u003eCMMG\u003c\/strong\u003e part (part number \u003cstrong\u003e55BA457\u003c\/strong\u003e), sold as a bolt assembly only - no bolt carrier group, barrel, or other components are included.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55292017803586,"sku":"55BA457","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_ef27078f-5288-496f-a494-cc725150e865.jpg?v=1785102141","url":"https:\/\/centerfiresystems.com\/products\/cmmg-bolt-assembly-ar-15-5-56-nato-9310-steel-phosphate-black","provider":"Centerfire Systems","version":"1.0","type":"link"}