Fail Zero AR-15 Bolt Carrier Group, 5.56mm
Fully assembled Fail Zero bolt carrier group with EXO Nickel Boron coating for reduced friction, enhanced durability, and superior corrosion resistance. Drop-in ready for mil-spec AR-15 uppers.
Fits: AR-15
Fail Zero AR-15 Bolt Carrier Group
This is a complete, fully assembled bolt carrier group engineered for the modern AR-15 platform. It arrives ready to install into any mil-spec AR-15 upper receiver—no gunsmithing required.
Superior Coating Technology
Every critical component receives Fail Zero's proprietary EXO Nickel Boron coating. This advanced surface treatment delivers:
- Permanent dry lubricity — reduces friction without requiring constant re-lubrication
- Extreme durability — stands up to thousands of rounds of hard use
- Enhanced corrosion resistance — protects against moisture and environmental degradation
- Improved performance — smoother cycling and more reliable operation
What's Included
This bolt carrier group contains all essential components:
- Bolt and extractor (compatible with 5.56mm, .223 Remington, and 300 Blackout)
- Bolt carrier
- Extractor
- Cam pin
- Carrier key
- Firing pin
Built for Reliability
Whether you're running a precision rifle, a tactical platform, or a general-purpose AR-15, this bolt carrier group delivers the reliability and longevity serious shooters demand. The Nickel Boron coating means less maintenance and more time at the range.
Features
- nickel boron treated
- extreme durability
- dry lubricity
- corrosion resistant
