The FailZero AR9 9mm Bolt Carrier Group Nitride comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.
Details:
Details:
- 9MM BCG is compatible with both Glock and Colt style magazines
- 8620 heat treated (same as Mil-Spec) AR Carrier
- EXO Nickel Boron Technology Coating
- Staked carrier guide (gas key)
- Chrome Firing Pin
- 5.56 Extractor
