Fail Zero .308 Bolt Carrier Group (BCG)
Nickel Boron treated parts include: Bolt & Extractor (.308 compatible) Bolt Carrier Extractor Cam Pin Carrier Key Firing Pin
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.
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