FailZero, Bolt Carrier Group With Hammer, Completely Assembled, EXO Coated, Fits AR-15, Nickel Finish
- Nickel Boron treated
- Extreme durability
- Dry lubricity
- Corrosion resistant
Product Description
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.