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FailZero AR9 9mm Nickel Boron Bolt Carrier Group
$197.65 1% off MSRP 1 in
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5.56 Extractor
8620 heat treated (same as Mil-Spec) AR Carrier
Chrome Firing Pin
EXO Nickel Boron Technology Coating
FZ 9MM BCG is compatible with both Glock and Colt style magazines.
Staked carrier guide (gas key)
Specifications
Description
The FailZero AR9 9mm Nickel Boron Bolt Carrier Group is a fully assembled bolt carrier group designed to drop into 9mm AR-9 platform rifles and pistols. It is compatible with lowers designated for either Glock or Colt magazines.
The carrier is machined from 8620 steel and heat treated, and it carries an EXO Nickel Boron coating on critical parts. The finish is described as providing dry lubricity, wear resistance and corrosion resistance. The carrier guide is staked and the assembly includes a 5.56 extractor and a chrome firing pin.
- Caliber: 9mm Luger
- Platform: AR-9
- Fits: AR-9 9mm rifles and pistols with Glock or Colt magazine lowers
- Material: 8620 steel, heat treated
- Finish: Nickel Boron (EXO coating)
- Color: Black
- Extractor: 5.56






