The 8.6 BLK Flash Hider by Q is a Quickie Fast-Attach flash hider compatible with the PORQ CHOP and short CHOP silencers by Q. 5/8x24 features 13/16 in flats, and 1/2x28 features 3/4 flats for easy install and removal.

These flash hiders do not have a tapered thread.

Installation Instructions:

Remove any muzzle device, shims, and/or crush washers from your host firearm.

Clean and degrease the barrel muzzle threads.

Apply Rocksett thread locker to the muzzle device.

Using a thin wrench at the appropriate size, torque the Flash Hider to 40 ft-lbs.

Tool Required: 

1/2-28 (8.6): 13/16 in wrench

5/8-24 (8.6): 3/4 in wrench

NOTE: Rocksett not include. Rocksett can be purchased at the link below.

Rocksett^TM