APF Armory® AR-10 Nickel Boron Bolt Carrier Group
DPMS Gen 1 (LR308) Compatible
Bolt: Carpenter 158, Shot Peened, Heat Treated, Nickel Boron Plated
Carrier: SAE 8620, Heat Treated, Nickel Boron Plated
Extractor: 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
NOTE: This BCG is for .308 WIN. All higher-pressure calibers (6mm Creed, 6.5 Creed, .243, 22 Creed, etc) need our High Pressure AR10 BCG.
