Device for fixing a muzzle brake on the barrel of a weapon

The invention relates to a fixing device 1 with a brake on the mouth 5 of tube 3 of a weapon with a thread 9, 13, the muzzle brake comprising a support wall 15 cooperating with the front face 10 of the tube.The tube 3 has a cylindrical front bearing surface 7 disposed in front of the thread 14 cooperating with a corresponding range of the brake assuring brake centering; stop means 16 in rotation brake is interposed between the muzzle brake and the tube.Application using weapons or large caliber.