9mm AR-9 Black Nitride Bolt Carrier Group

Compatible with Glock, Colt, Ruger, S&W style magazines. Military Grade hardware. Tough black nitride coating that provides lasting durability, lubricity and corrosion resistance.

Glock, Colt, Ruger, S&W magazine compatible
9310 Steel Carrier Construction
4140 Steel Extractor
Staked Gas Key