US 11,927,418 B2
Increased capacity ammunition magazine
Brandon Michael Zeider, Bigfork, MT (US); Seth Martin Berglee, Joliet, MT (US); Raymond Dean Brandly, Oklahoma City, OK (US); and Cody Blighe Greenfield, Norman, OK (US)
Assigned to Shield Arms, LLC, Bigfork, MT (US)
Filed by Shield Arms, LLC, Bigfork, MT (US)
Filed on Jun. 19, 2023, as Appl. No. 18/337,075.
Application 18/337,075 is a continuation of application No. 17/084,057, filed on Oct. 29, 2020, granted, now 11,747,102.
Claims priority of provisional application 62/927,158, filed on Oct. 29, 2019.
Prior Publication US 2023/0332854 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F41A 9/71 (2006.01); F41A 9/69 (2006.01)
CPC F41A 9/71 (2013.01) [F41A 9/69 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A pistol magazine, comprising:
a metallic tubular body defining a hollow interior and having a forward wall, a rearward wall, a first side wall, a second opposite side wall, an open top with feed lips, and an open bottom,
a removable closure member enclosing the open bottom of the body,
the forward wall having at least one longitudinally extending rib formed therein and projecting forwardly therefrom,
at least one of the first and second side walls having a cut-out with an edge configured to interact with a magazine catch of a polymer frame pistol configured to accommodate a single stack polymer or polymer-over-metal magazine,
a first internal dimension between the forward wall and the rearward wall dimensioned to fit 9×19 mm cartridges,
a second internal dimension between the first side wall and the second side wall dimensioned to fit 9×19 mm cartridges with a staggered arrangement of the cartridges,
the body having a height dimension configured to fit within a handgrip of the polymer frame pistol and locate the removable closure member directly adjacent to the bottom of the handgrip when the magazine is inserted into the handgrip of the polymer frame pistol,
a first external dimension of the body from the forwardmost surface of the longitudinally extending rib to the rearmost surface of the rearward wall matching the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine, and
a second external dimension of the body from the external surface of the first side wall to the external surface of the second side wall matching the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine.