• 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

Full details and secure checkout: https://3crtactical.com/9mm-ar-9-black-nitride-bolt-carrier-group-70422/?utm_source=armslist&utm_medium=referral&utm_campaign=listing