Fail Zero 6mm ARC Bolt Carrier Group
Fully assembled 6mm ARC bolt carrier group with EXO Nickel Boron coating for superior lubricity, durability, and corrosion resistance. Drop-in ready for Mil-Spec uppers.
Premium 6mm ARC Bolt Carrier Group
This fully assembled bolt carrier group is engineered specifically for 6mm ARC rifles and arrives ready to install into any standard Mil-Spec upper receiver. No gunsmithing required—simply drop it in and you're ready to shoot.
EXO Nickel Boron Coating
All critical components receive Fail Zero's proprietary EXO Nickel Boron treatment, a permanent dry-film coating that delivers:
- Permanent dry lubricity — reduces friction without requiring constant oil applications
- Enhanced durability — stands up to extended shooting sessions and demanding use
- Superior corrosion resistance — protects against rust and environmental degradation
- Easy maintenance — cleanup is faster and simpler than traditional steel components
Complete Component Coverage
The following parts are coated with EXO Nickel Boron technology:
- 6mm ARC bolt and extractor
- M16-cut bolt carrier
- Cam pin
- Carrier key
- Firing pin
Performance Benefits
The Nickel Boron coating improves overall rifle performance by reducing wear on critical surfaces and minimizing fouling buildup. You'll notice smoother operation, easier field stripping, and extended intervals between deep cleaning cycles. This is precision engineering designed for shooters who demand reliability and low-maintenance performance.
