Product Overview
The APF Nickel Boron BCG is machined to military specifications. This BCG is full auto compatible.
Carrier: SAE 8620, Heat Treated, Nickel Boron Plated
Bolt: Carpenter 158, Shot Peened, Heat Treated, Nickel Boron plated
Firing Pin: Heat Treated, Precision ground
Gas Key: Heat Treated, Chrome Lined, Torqued and Staked to Carrier, Nickel Boron Plated
Cam Pin: Heat Treated, Nickel Boron Plated
