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The FailZero FZ 9mm Black Nitride AR9 Bolt Carrier Group is a fully assembled, drop-in solution designed for most 9mm AR platform rifles and pistols.
Compatible with AR9 lowers designated for Glock or Colt magazines. All critical parts are coated with salt bath nitride in black for improved wear and corrosion resistance.
Specifications and key features:
- 8620 heat treated carrier (Mil-Spec strength)
- Staked carrier guide gas key
- 5.56 extractor
- Chrome firing pin
Designed for reliable cycling and enhanced durability, including smooth extraction and positive ignition across a range of 9mm cases and loads.
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