{"product_id":"lbe-ar-bolt-carrier-group","title":"LBE Unlimited AR Bolt Carrier Group – AR-15 \/ M16","description":"\u003cp\u003eThe LBE Unlimited AR Bolt Carrier Group is a direct replacement for worn or damaged BCGs in AR-15 and M16 pattern rifles. This group includes the bolt carrier, bolt assembly, gas key, cam pin, and firing pin—everything needed to restore function to your rifle. Built to mil-spec dimensions, it ensures reliable cycling with standard upper receivers and compatible with both 5.56 NATO and .223 Remington chamberings.\u003c\/p\u003e\u003cp\u003eConstructed from 8620 steel carrier with a Carpenter 158 steel bolt, the group features proper staking on the gas key and magnetic particle inspection (MPI) testing of the bolt. The carrier is phosphate-coated for corrosion resistance. This is a drop-in installation for anyone familiar with basic AR-15 disassembly and maintenance—no gunsmithing required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Complete Bolt Carrier Group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M16 (5.56 NATO \/ .223 Rem)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Material:\u003c\/strong\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Material:\u003c\/strong\u003e Carpenter 158 Steel (MPI Tested)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Phosphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Key:\u003c\/strong\u003e Properly Staked\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, Gas Key, Cam Pin, Firing Pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBE Unlimited","offers":[{"title":"Default Title","offer_id":47943856488703,"sku":"LBAR15BLT","price":140.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1272565.jpg?v=1766603826","url":"https:\/\/doublestackstore.com\/products\/lbe-ar-bolt-carrier-group","provider":"Double Stack Store","version":"1.0","type":"link"}