Fully assembled Fail Zero bolt carrier group for .450 Bushmaster AR-15s. Features EXO Nickel Boron coating on all critical parts for reduced friction, enhanced durability, and superior corrosion resistance.
Fits: AR-15
This fully assembled bolt carrier group is engineered specifically for .450 Bushmaster AR-15 upper receivers and drops into most mil-spec configurations without modification.
All critical components are treated with EXO Nickel Boron coating, a proprietary surface treatment that delivers:
This bolt carrier group includes all essential parts:
The group arrives fully assembled and ready for immediate installation. The Nickel Boron treatment reduces friction and improves overall rifle performance, making this an excellent choice for shooters seeking reliability and longevity in a large-bore platform.