Description
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.Features: Nitride Finished 9310 Steel MPI (Magnetic Particle Inspected) Bolt 5.56/.223 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 Billet Steel Extractor Weight: 11.456 oz











Thomas Smith –
Nice slick nitride on what looks to be a well built mil-spec bcg.