Air Arms MPR Muzzle Brake 9/16″ ID

• MPR muzzlebrake
• Slips onto the muzzle & is fastened with a screw (screw not included)
• Slide muzzle weights onto this muzzlebrake
• Fits any gun with .552″ (approximately 9/16”) OD barrels

If your barrel OD is larger, you might consider having a machine shop bore out the muzzlebrake so that it will fit.