Patent ID: 8205538
Filing Date: 2012-06-26
Classification: F41A,Y10T

Abstract:
1. A device, comprising: a body having an axial passageway configured to align with a firearm barrel as a muzzle brake; a first chamber of the body, the first chamber extending along the axial passageway and configured to receive combustion gases from the firearm barrel, wherein the first chamber includes a plurality of ports configured to vent a portion of the combustion gases from the first chamber and counter muzzle lift and sideward movement resulting from the firing of a firearm having the firearm barrel; a second chamber of the body, the second chamber extending along the axial passageway and configured to receive at least a portion of the combustion gases from the first chamber, wherein the second chamber includes a front wall, a rear wall, a floor, and a ceiling, and wherein the floor, the ceiling, or both the floor and the ceiling have surfaces curved toward the axial passageway to form a corresponding longitudinally extending apex or nadir parallel to the axial passageway; and wherein the second chamber further comprises two opposing side openings in the body to allow at least a first portion of the combustion gases in the second chamber to pass outwardly from the body.