The FailZero 9mm Bolt Carrier Group features nickel boron coating for enhanced lubricity and corrosion resistance in blowback 9mm AR-style pistols and rifles.
- Part Type: Bolt Carrier Group
- Compatible Firearms: 9mm AR-style pistols/rifles with dedicated lower receivers (no hammer)
- Material: 8620 steel
- Finish: Nickel Boron (EXO coating)
- Installation: Drop-In
- Includes: Bolt carrier group assembly
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