This thread-on muzzle is compatible to any 22mm muzzle threaded barrel tip. Aluminum. Length: 3".
**This muzzle brake will not work on a 1-inch diameter barrel**
22mm muzzle threads compatible to:
RAP4 Barrels
T68 Barrels
468 Barrels
Flasc Barrels
Milsig Barrels
Maxtact Barrels
Hammerhead OneShot Barrels