Gen 2 Aluminum .22LR Ruger Mark IV 22/45 1/2"x28 TPI Muzzle Brake Compensator
Ruger .22 Mark 1,2,3 Bull Size 1/2x28 Muzzle Brake Adapter - Color Var
Ruger .22 Mark 1,2,3 Tapered 1/2"x28 TPI Muzzle Brake Adapter - Color Var
Aluminum .22LR Ruger Mark IV 22/45 1/2"x28 TPI Muzzle Brake Compensator Fit SW22
