The 8.6 blk whistle tip is a blast mitigation device (bmd) for q's cherry bomb muzzle brake.It also serves as a cherry bomb thread protector for the poors who don't / can't own a silencer.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 1.25-inch wrench.

Finish: Copper
Model: Whistle Tip