Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key fastened with hardened Grade 8 fasteners. The ultra-hard and corrosion-resistant Black Nitride ensures this BCG's continued reliability and precision.


  • Nitride Finished 9310 Steel
  • MPI (Magnetic Particle Inspected) Bolt
  • Ground per True Mil Spec Specs
  • 8620 Carrier (M16 full shroud) Heat Treated
  • Case Hardened Steel
  • Ground after Heat treat to MIl Spec
  • Gas Key Hardened to USGI Specifications
  • 17-4 H900 Stainless steel Firing pin
  • Grade 8 Hardened Fasteners
  • Gas Key Staked Per Mil-Spec
  • Tool Steel Extractor
  • Weight: 11.456 oz

AR-15/M16 Full Cut Bolt Carrier Group Assembly - Black Nitride

$89.95 Regular Price
$84.95Sale Price