FailZero Complete .308 Bolt and Carrier Group (No Hammer) EXO NiB Nickel Boron BCG Fail Zero FZ-AR10-01-NH 7.62 / .308 AR10 LR-308 SR-25 ***Free Shipping***


$ 244.95 

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This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers.  All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.  Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:

  • Bolt & Extractor (.308 compatible)
  • Bolt Carrier
  • Extractor
  • Cam Pin
  • Carrier Key
  • Firing Pin


  • All Fail Zero bolts are MPI tested and live fire tested.
  • DPMS Pattern and 6.5 Creedmoor compatible!