FailZero M16/M4 5.56 Full Auto BCG Black
FailZero bolt carrier group with EXO Nickel Boron coating for reduced friction and enhanced durability. Fully assembled, mil-spec compatible with M16, M4, and AR-15 platforms.
Fits: AR-15
FailZero EXO Nickel Boron Bolt Carrier Group
This fully assembled bolt carrier group drops directly into most mil-spec M16, M4, and AR-15 upper receivers without modification. It represents a significant advancement in AR platform reliability and longevity.
Superior Coating Technology
Every critical component features FailZero's proprietary EXO Nickel Boron coating—a permanent dry lubricant that eliminates the need for traditional oil-based lubrication. This coating provides:
- Permanent dry lubricity that won't attract dirt or carbon buildup
- Extreme durability under sustained fire
- Enhanced wear resistance for extended service life
- Superior corrosion resistance in harsh environments
Complete Component Package
This bolt carrier group includes all essential parts:
- Bolt and extractor (5.56/.223 compatible)
- Bolt carrier
- Extractor
- Cam pin
- Carrier key
- Firing pin
Performance Benefits
The Nickel Boron treatment reduces friction throughout the firing cycle, improving overall rifle performance and reliability. You'll experience smoother operation, easier cleaning, and reduced maintenance requirements compared to standard mil-spec carriers. Whether you're running suppressed or unsuppressed, this BCG delivers consistent performance across diverse shooting conditions.
Features
- nickel boron treated
- extreme durability
- dry lubricity
- corrosion resistant
