Guntec USA AR 9mm Mini Slip Over Barrel Shroud w/Multi Port Muzzle Brake

Guntec USA AR 9mm Mini Slip Over Barrel Shroud with Multi Port Muzzle Brake. Specifications: Caliber 9mm Luger; Finish Anodized; Fabric/Material T6 Aluminum; Threads per Inch 1/2x36; Outer Diameter 1.1875 in; Weight 3.3 oz; Condition New. Features: New micro design, covers 1 3/8 in of the barrel, threads begin approx 1.25 in down the shroud, dual purpose unit functions as both a barrel shroud and a muzzle compensator, slips over barrel and threads down from the inside, multi porting Gatling Gun style muzzle brake reduces felt recoil up to 70 percent, designed for use on AR pistols.