MI HANDGUARD CRM M-LOK 12.625"

COMBAT RAIL FITS AR-15 FEATURES:Length: 12.625"Inside diameter: 1.3"6061 Aluminum Type 3 Hard Coat AnodizedBarrel Nut and Wrench Included2 Integral Anti-Rotation QD Sling Sockets4140 Heat Treated Barrel Nut and Torque PlateWeight: 9.9 ozMade in USA