This is a thread-on silencer with 22mm threads, easy to installation and removal. This version, the barrel is recessed into the silencer approximately 3.6 inches. Aluminum alloy construction.Use 1 in or 1/2 in extension to fine tune amount of recess here.Diameter: 1.45 inchLength: 5.6 inch22mm muzzle threads compatible to:RAP4 BarrelsT68 Barrels468 BarrelsFlasc BarrelsMilsig BarrelsMaxtact BarrelsHammerhead OneShot Barrels
Please note: This is a FAKE suppressor. Sound levels are not reduced by using this muzzle brake.