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Fail Zero AR-10 / LR-308 BCG Nib Bolt Carrier Group BCG | .308/7.62


Vendor: FailZero

  • $23789
  • Save $62

Fail Zero AR-10 / LR-308 BCG Nib Bolt Carrier Group BCG | .308/7.62

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.  The patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Note: DPMS Pattern, No Hammer Included.

All FailZero bolts are Magnetic Particle Inspected and live fire tested.

Nickel Boron treated parts include:

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


Bolt Finish-Nickel Boron
Bolt Material-9310 Steel
Brand-Fail Zero
Caliber Gauge-.308 Win
Carrier Finish-Nickel Boron
Carrier Material-8620 Tool Steel
Carrier Style-Dpms
Gas Key-unstaked
High Pressure Tested-yes
Magnetic Particle Inspect-Yes
Manufacturer-Fail Zero

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