American Made Parts for American Rifle Builders


FailZero, AR10 (.308) Bolt Carrier Group, EXO Nickel Boron Coated

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This FailZero Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most AR10 (LR-308) 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.

Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero.

Features and Specifications:

  • .308 compatible
  • DPMS Pattern and 6.5 Creedmoor compatible
  • Magnetic particle inspected
  • Live fire tested

Nickel Boron treated parts include:

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