Patent ID: 8915174

Claim:
An improved barrel for a gun, the improvement comprising: a gun barrel having a top portion, a bottom portion, a horizontal plane, an axis and a front face, wherein the horizontal plane extends through the axis of the gun barrel between the top portion and the bottom portion, and wherein the front face is defined by a plane extending perpendicular to the axis; and a plurality of ports formed in the top portion of the gun barrel in two rows on opposite sides of the axis, wherein a first set of ports in each of the rows has a first spacing and a second set of ports in each of the rows is spaced apart from the first set of ports by a spacing distance greater than the first spacing, wherein the first set of ports are spaced by a first distance that is less than a second distance between the second set of ports, and wherein the ports are angled away from the horizontal plane and the bottom portion of the gun barrel.