{"product_id":"phase5-bolt-carrier-group-ar15-blk","title":"Phase 5 Weapon Systems Bolt Carrier Group – AR-15","description":"\u003cp\u003eThe Phase 5 Weapon Systems Bolt Carrier Group is a direct replacement for standard AR-15 mil-spec BCGs, designed for shooters who want a proven alternative to factory components. This BCG handles the core cycling functions—extraction, ejection, chambering, and firing—with machining tolerances that meet mil-spec standards. It's a solid choice for builds, repairs, or as a spare for high-volume shooters.\u003c\/p\u003e\u003cp\u003eMachined from 8620 steel with a manganese phosphate finish, this bolt carrier group delivers wear resistance and corrosion protection comparable to military-issue parts. The gas key is properly staked and sealed. Installation is straightforward drop-in for anyone familiar with AR-15 field stripping. No fitting or modification required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e 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\u003eMaterial:\u003c\/strong\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Manganese Phosphate (Parkerized)\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, Cam Pin, Firing Pin, Retaining Pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Phase 5 Weapon Systems","offers":[{"title":"Default Title","offer_id":47943892336895,"sku":"PH5BCG-AR15","price":150.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1251093.jpg?v=1766606802","url":"https:\/\/doublestackstore.com\/products\/phase5-bolt-carrier-group-ar15-blk","provider":"Double Stack Store","version":"1.0","type":"link"}