Description
GunTec GT-BCG AR-15 Nitride Bolt Carrier Group Mil-Spec BCG
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
GT-BCG
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