ar10-308-cal-slip-over-barrel-shroud-with-multi-port-muzzle-brake
ar10-308-cal-slip-over-barrel-shroud-with-multi-port-muzzle-brake, T6 AluminumLength 5.5''Reverse Threaded5/8 x 24 ThreadSlips over Barrel And Threads OnCrush Washer includedDual Purpose Unit, Functions As A Barrel Shroud And A Muzzle Compensator!Reduces Felt Recoil Up To 70 PercentThread in the middle