Fail Zero Lightweight Bolt Carrier Group Nickel Boron
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This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 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.
FailZero, Lightweight/Low Mass Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Nickel Finish, 9.2 oz Total BCG Weight
- Nickel Boron treated
- Extreme durability
- Dry lubricity
- Corrosion resistant