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Replacement 11-notch barrel nut for use with SR-15 URX rail systems. Requires a URX Barrel Nut for installation (sold separately). Recommended installation torque spec is 45-55 ft-lbs. Aluminum 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.