The popular phantom flash suppressor has been redesigned to work as a muzzle brake and compensator.This 5 port design has no downward facing port which helps eliminate dust signature when shooting in the prone position.The 5m2 features a smooth "no snag" design.These products do not reduce the flash signature of the firearm.Installation is available for all yhm products onto your rifle.Some restrictions apply call for details.Threaded 1/2"-28.Includes crush washer.Length: 2.25".Weight: 3 ounces.Model: PhantomThread Pattern: 1/2"-28 tpi