Guntec MIL-SPEC Bolt Carrier Group For AR15 In Nickel Boron
Features:
8620 Steel Bolt Carriernickel Boron Finish
Grade 8 Screws To Mil-Spec
1 Year Warranty
9310 Bolt MPI (Magnetic Particle Inspected)
USA Made
Just Released!!
Hydraulically Staked CL Key
Heat Treated For Heavy Duty Use