Fully assembled M16/M4 bolt carrier group with EXO Nickel Boron coating for superior lubricity, durability, and corrosion resistance. Matte finish, mil-spec compatible.
Fits: AR15
This is a complete, fully assembled bolt carrier group ready for immediate installation into most mil-spec M16, M4, or AR15 upper receivers. No gunsmithing required—simply drop it in and you're ready to go.
The critical components are finished with FailZero's proprietary EXO Nickel Boron coating, which delivers:
This no-hammer configuration is compatible with standard mil-spec receivers and upper assemblies. The matte finish provides a professional appearance while the advanced coating ensures reliable performance in all conditions.
Whether you're building a new rifle or upgrading an existing one, this bolt carrier group offers the reliability and longevity serious shooters demand.