Griffin Armament Taper Mount Hammer Barrel Compensator .22 Caliber/5.56mm Black. The Taper Mount Hammer Comp provides 2 sacrificial baffles that reduce recoil and ensure maximum service life of your suppressor. Slotted compensating features provide tuned muzzle stability. CNC machined from a solid bar of heat treated 17-4ph stainless steel the Taper Mount Hammer Comp is built to last. This muzzle device is 1.89in length from the countersunk thread shoulder to the front face and is = length to an A2 flash suppressor with .14in thick crush washer so it can be used in conjunction with so called ''14.7'' barrels which are marketed as able to be permed to 16.1in non NFA length using an A2 and crush washer. The actual barrel length 14.835in will bring this device and crush washer mounted A2's to 16.1in breech face to forward surface of permed barrel assembly. Taper Mount Thread Protector is compatible with this muzzle device for added protection of thread mounts. Specifications for Griffin Armament Taper Mount Hammer Barrel Compensator: Manufacturer: Griffin Armament Color: Black Finish: QPQ Fabric/Material: 17-4PH Stainless Steel Length: 1.94 in Weight: 3 oz Condition: New Diameter: 1.08 in Package Contents: Griffin Armament Taper Mount Hammer Barrel Compensator Griffin Armament TMHC22C1228: Mount Hammer Barrel Compensator .22 Caliber/5.56mm 1/2x28 Black