Patent attributes
A muzzle brake has a first forward sloping wall and a second forward sloping wall located between a rear wall and a front wall, the first and second forward sloping walls each being disposed at an angle of from about 50 degrees to about 70 degrees relative to the length axis of the muzzle brake; and a top wall and an opposite bottom wall extending parallel to the length axis of the muzzle brake. A first open-sided blast chamber is defined between the rear wall, the first forward sloping wall and the top and bottom walls; a second open-sided blast chamber is defined between the first forward sloping wall, the second forward sloping wall, and the top and bottom walls; and a third open-sided blast chamber is defined between the second forward sloping wall, the front wall, and the top and bottom walls.