APF Armory® Nickel Boron-coated High Pressure AR-10 Bolt Carrier Group in Nickel Boron.
This High Pressure variant is suitable for both low and high pressure cartridges in the AR-10 platform*
*NOTE - This BCG is *not* compatible with the APF 22-250.
Carrier: AISI 8260, Heat Treated, Nickel Boron Plated
Bolt: CRS 9310, Heat Treated, Nickel Boron Plated
Firing Pin: Heat Treated, Nickel Boron Plated
Gas Key: Torqued and Staked to Carrier, Heat Treated, Nickel Boron Plated
Cam Pin: Heat Treated, Nickel Boron Plated
