{"product_id":"fz-458-socom-bcg-no-hammer-nib","title":"FailZero 458 SOCOM Bolt Carrier Group (No Hammer) – AR-15 Platform","description":"\u003cp\u003eThe FailZero 458 SOCOM Bolt Carrier Group is engineered for AR-15 platform rifles chambered in 458 SOCOM, delivering the reliability needed for heavy-caliber performance. This BCG replaces factory components with a system designed to handle the increased pressures and bolt thrust of the 458 SOCOM cartridge. Built for shooters who demand consistent function in hunting or tactical applications with this powerful cartridge.\u003c\/p\u003e\u003cp\u003eThe entire carrier group features FailZero's proprietary nickel-boron (NiB) coating, which provides permanent dry lubrication and exceptional corrosion resistance. This coating reduces friction and carbon buildup, making cleaning significantly easier than traditional phosphate finishes. Machined to mil-spec dimensions from high-grade steel, this is a drop-in replacement for standard AR-15 BCGs when upgrading to or maintaining a 458 SOCOM upper. Does not include fire control hammer—for use with your existing lower parts kit.\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 platform chambered in 458 SOCOM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Nickel-Boron (NiB) coating\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, firing pin, cam pin, retaining pin (no hammer included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FailZero","offers":[{"title":"Default Title","offer_id":47937891533055,"sku":"FZ-458-01-NH","price":171.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1260762.jpg?v=1766499378","url":"https:\/\/doublestackstore.com\/products\/fz-458-socom-bcg-no-hammer-nib","provider":"Double Stack Store","version":"1.0","type":"link"}