The cookie cutter comp muzzle brake is for compensating muzzle rise and recoil on short barrel rifles (sbr's) and ar-pistols.It is designed as a single chamber muzzle brake with a large surface area, which minimizes recoil substantially and at the same time compensates muzzle rise.Finish: Black ParkerizedType: CompensatorModel: Cookie CutterDimensions: 2.14" x 0.26"Material: SteelThread Pattern: 5/8"-24 tpi