AR15 Torque Value Chart*



-Carrier Key Screws: 50-58 in/lbs

-Barrel Nut: 30-80 ft/lbs

-Receiver Extension (Rifle): 35-39 ft/lbs

-Receiver Extension Castle Nut (Carbine): 38-42 ft/lbs




* Torques are from the current Army TM 9-1005-319-23&P W/C #8.