Presma CNC Sound Louder Muzzle Brake fits 9mm 1/2"x36 with Crush Washer & Nut

Presma CNC Tanker Steel Muzzle Brake fit 9mm 1/2"x 36 - One piece high quality steel construction - CNC machined - Easy install/release, free crush washer included - Reduce muzzle rise for better performance - Competition grade - QPQ finish, Corrosion and Wear Resistant - Dimensions: 0.91" x x 1.575", 2.4 oz - Fits 9mm Thread 1/2 " x 36 Black Steel .