RAP4 M177 Whisper Muzzle Brake (22MM MUZZLE THREADS)

This is the best thread-on muzzle brake for the Tactical Series barrel. It is 4.5" long and a perfect addition for a Sniper Rifle. Aluminum alloy construction.
Diameter: 1.2 inch
Length: 4.45 inch
This thread-on muzzle is compatible to any 22mm muzzle threaded barrel tip. 

22mm muzzle threads compatible to:
RAP4 Barrels
T68 Barrels
468 Barrels
Flasc Barrels
Milsig Barrels
Maxtact Barrels
Hammerhead OneShot Barrel set.