Already have a Keymo and want to make your own Pyro? This is the missing piece. The vented shroud combined with your Keymo turns your flash hider into an extremely effective brake. Get all the benefits of a brake while keeping your flash hider installed.
**Does NOT include .30 caliber R-Series front cap.**
*Fits 1-3/8 – 24 threaded adapter mounts such as our Keymo and Xeno Adapter. Keymo and Xeno Adapter not included.