Knights Armament proprietary barrel nut wrench used for installing or removing URX barrel nuts. Wrench should be used in conjunction with a 1/2″ torque wrench (not included). Recommended installation torque spec is 45-55 ft-lbs. Steel construction.
Compatible with the Following Rail Systems:
URX II
URX III
URX 3.1
NOTE: Not for use with any SR-25 URX rail system.