The Fail Zero .458 SOCOM Bolt Carrier Group (brand part no. FZ-458-01-NH) comes fully assembled and ready to drop into most mil-spec .458 SOCOM upper receivers, sold without a hammer for builders sourcing that piece separately. Every critical surface carries Fail Zero’s EXO Nickel Boron coating, which delivers permanent dry lubricity along with increased wear and corrosion resistance compared to a standard phosphate-finished bolt carrier group. Fail Zero notes the patented Nickel Boron coating reduces friction and improves overall rifle performance, a meaningful upgrade on a big-bore cartridge like .458 SOCOM where bolt carrier reliability matters.

Key Specifications

• Built for the .458 SOCOM platform.
• Ships fully assembled, ready to drop into most mil-spec .458 SOCOM uppers.
• Sold without a hammer.
• Coated with EXO Nickel Boron technology for permanent dry lubricity.
• Reduces friction and increases wear and corrosion resistance.

Frequently Asked Questions

What platform is this for? The .458 SOCOM.

Does this come with a hammer? No, this bolt carrier group ships without a hammer.

Buy the Fail Zero .458 SOCOM Bolt Carrier Group

Run a slicker, more durable BCG in your big-bore build. Order the Fail Zero bolt carrier group from our AR bolt carrier groups selection at our Lubbock, Texas gun shop for fast, direct shipping.