US 11,920,885 B2
Firearm barrel having at least one barrel gas port and method of manufacturing the same
William Geissele, Lower Gwynedd, PA (US); Frank Robinson, Schwenksville, PA (US); and Dave Duhaime, Ivyland, PA (US)
Assigned to WHG Properties, LLC, North Wales, PA (US)
Filed by WHG Properties, LLC, North Wales, PA (US)
Filed on May 4, 2022, as Appl. No. 17/662,027.
Prior Publication US 2023/0358490 A1, Nov. 9, 2023
Int. Cl. F41A 5/26 (2006.01); F41A 21/18 (2006.01)
CPC F41A 5/26 (2013.01) [F41A 21/18 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A barrel for a rifle configured to fire a bullet from a cartridge, comprising:
an inner surface comprising rifling, the inner surface defining a bore configured to guide the bullet as the bullet is propelled through the bore by pressurized gas; and
a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the rifle;
wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension;
wherein the length dimension of the port entrance is greater than the width dimension of the port entrance; and
wherein a center point of the length dimension of the port entrance is located closer to a muzzle end of the barrel than a center point of a second length dimension of the barrel gas port defined between the port entrance and the port exit, the port entrance being symmetrical about the center point along the length dimension.