US 12,292,256 B2
Adjustable firearm balance weight system
Daniel E. Cogan, Warminster, PA (US); and James J. Weimer, Warminster, PA (US)
Assigned to Cogan Firearms LLC, Warminster, PA (US)
Filed by Cogan Firearms LLC, Warminster, PA (US)
Filed on Jun. 27, 2023, as Appl. No. 18/214,916.
Claims priority of provisional application 63/427,228, filed on Nov. 22, 2022.
Prior Publication US 2024/0167784 A1, May 23, 2024
Int. Cl. F41C 27/22 (2006.01); F41C 23/16 (2006.01)
CPC F41C 27/22 (2013.01) [F41C 23/16 (2013.01)] 13 Claims
OG exemplary drawing
 
4. An adjustable firearm balance weight system comprising:
a balance weight configured to be secured within a part of a firearm in at least two alternative positions relative to the part of the firearm; and
a lock system configured to engage the balance weight in each of the at least two alternative positions relative to the part of the firearm, wherein the lock system is configured to allow the balance weight to move between the at least two alternative positions,
wherein the part of the firearm comprises an internal chamber configured to receive the balance weight to move relative to the part of the firearm along a sliding direction,
wherein the internal chamber comprises a first region configured to surround a barrel of the firearm, and a second region adjacent to the first region and configured to slidingly receive the balance weight,
wherein the first region and the second region are open to each other, and
wherein the internal chamber comprises a narrowed region between the first region and the second region, and the narrowed region is configured to prevent the balance weight from moving from the second region to the first region.