As you’ve come to expect, the WHISTLE TIP features a taper mount for proper alignment to the Cherry Bombs and installs with any off the shelf 1-inch wrench. SPECS:  WEIGHT:  2.7 oz.  OVERALL LENGTH: 1.85″  OUTSIDE DIAMETER: 1.16″ INSTALLATION:  RIGHTY TIGHTY  TORQUE TO 10-15 FT-LBS Disclaimer:  Due to the nature of the heat-treating process, some visual imperfections are normal. Coloring may vary.

Q Whistle Tip Blast Mitigation Device - Pvd Fits Cherry Bomb Muzzle Brake WHISTLE-TIP-PVD