{"product_id":"midwest-5-56-ar15-enhanced-bcg","title":"Midwest Industries 5.56\/AR15 Enhanced Bolt Carrier Group","description":"\u003cp\u003eThe Midwest Industries Enhanced Bolt Carrier Group is a mil-spec replacement BCG designed for reliable function in any AR-15 or 5.56 NATO rifle. This full-auto rated carrier group delivers consistent cycling with factory ammunition and common powder loads, making it a dependable spare or upgrade for standard mil-spec BCGs that show wear or function issues. The enhanced finish sheds carbon buildup more readily than standard phosphate, reducing cleaning time after extended range sessions.\u003c\/p\u003e\u003cp\u003eManufactured from 8620 steel carrier and 9310 steel bolt with a hard chrome interior and enhanced DLC coating on exterior surfaces. The staked gas key is properly torqued to mil-spec and secured with grade 8 fasteners. This is a drop-in replacement for any mil-spec AR-15 lower receiver—no fitting or gunsmithing required. Inspected and proof-tested before shipping.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group (Full-Auto Profile)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, 5.56 NATO chambered rifles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8620 steel carrier, 9310 steel bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e DLC exterior, hard chrome interior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier, bolt assembly, cam pin, firing pin, retaining pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midwest Industries","offers":[{"title":"Default Title","offer_id":47938187002111,"sku":"MWMI-BCG-556EH","price":167.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2870413.jpg?v=1766507301","url":"https:\/\/doublestackstore.com\/products\/midwest-5-56-ar15-enhanced-bcg","provider":"Double Stack Store","version":"1.0","type":"link"}