Description
SPECS:
-
- Rusty Oak Armory Mil-Spec BCG 556/223 Black Nitride Bolt Carrier Group
- 8620 Carrier, Heat Treated, Hard Turned & Ground
- MPI Carpenter 9310 Bolt, Shot Peened, Hard Turned / Ground.
- QPQ Nitride Finish
- 4340 Steel Cam Pin
- Extractor, firing pin, and gas key are all 4140 harden steel
- Lifetime Warranty
- Rusty Oak Armory Mil-Spec BCG 556/223 Black Nitride Bolt Carrier Group
Reviews
There are no reviews yet.