The whistle tip is a blast mitigation device (bmd) for q llc's cherry bomb muzzle brake.It also serves as a cherry bomb thread protector.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.This will not fit onto the xl cherry bomb (m18-1.5)

Finish: PVD
Model: Whistle Tip