AR-15 1/2x28 Micro Slip Over Shroud with Multi Port Muzzle Brake 223/556/22LR

Fit 223/556/22LR T6 6061 Aircraft Aluminum1/2x28 TPILength: 3"OD: 1 1/4''Functions as barrel cover & muzzle brakeCovers approx 1.25" of the barrel (incl. threading)Dual-purpose, functions as barrel cover & muzzle brake 1/2"-28 Pitch Crush Washer included 2.5'' Length perfectly fit for 7'' forend Slip Over and Cover Barrel 1 1/4''  OD 1 1/8''  for 223/ 556/ 22LR Reduces Felt Recoil Up To 70 Percent fit for the thread 1/2x28 any size of barrel.