Guntec bolt carrier group mil-spec nickel boron finish
FEATURES:
-8620 Steel Bolt Carrier
-Nickel Boron Finish
-9310 Bolt MPI
-Hydraulically Staked CL Key
-Grade 8 Screws to Mil-Spec
-Heat Treated for Heavy Duty use
Specifications:
| Dimension | 1.50 X 3.90 X 10.50 |
| Type/color | Mil-spec |
| Size/finish | Nickel Boron |
| Material | Steel |
| Ar-15 Accessory | Y |
