Patent 7954414 was granted and assigned to SureFire on June, 2011 by the United States Patent and Trademark Office.
A muzzle brake for a firearm, the muzzle brake including structural features that affect the flow characteristics of the combustion gases for reducing concussion to the shooter and to personnel to the sides of the shooter, as well as for directionally countering upward and sideward movement of the firearm's muzzle upon the firing of the firearm.