AR-15 Nitride Bolt Carrier Group Mil-Spec BCG


Complete bolt/carrier assembly comes ready to drop in your rifle-ideal as a replacement, in a custom build, or as a backup for extra insurance during competition. Machined from high-grade 8620 carbon steel to mil-spec dimensions, with 9310 bolt, hard-chrome plated steel firing pin and chrome-lined, hydraulically staked gas key and Grade 8 screws for added durability. Carrier is notched for forward assist. Magnetic particle inspection (MPI) during manufacture ensures each component is solid and free of internal flaws. Nitride heat treated for heavy duty use.

SKU: GT-BCG Categories: ,
  • 8620 Steel Bolt Carrier
  • 9310 Bolt MPI (Magnetic Particle Inspected)
  • Hydraulically Staked CL Key
  • Grade 8 Screws to Mil-spec
  • USA Made
  • Nitride Heat Treating for Heavy Duty use
  • Nitride Bolt Carrier Group
  • 1 Year Warranty
Weight .2 lbs