US 11,747,102 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 Oct. 29, 2020, as Appl. No. 17/84,057.
Claims priority of provisional application 62/927,158, filed on Oct. 29, 2019.
Prior Publication US 2021/0123698 A1, Apr. 29, 2021
Int. Cl. F41A 9/71 (2006.01); F41A 9/69 (2006.01)
CPC F41A 9/71 (2013.01) [F41A 9/69 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A pistol magazine, comprising: a metallic tubular body defining a hollow interior having a forward wall, a rearward wall, a first side wall, a second opposite side wall, an open top with feed lips, and a bottom removable closure member, the forward wall having a longitudinally extending rib formed therein and projecting outwardly therefrom, a cut-out in the first side wall or the second opposite side wall 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 opposite side wall dimensioned to fit 9×19 mm cartridges with a staggered arrangement of the cartridges, the walls having a height dimension configured to fit within a handgrip of the polymer frame pistol with the bottom removable closure member configured to be located 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 metallic tubular body from the forwardmost surface of the longitudinally extending rib to the rearmost surface of the rearward wall to match the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine, and a second external dimension of the metallic tubular body from the external surface of the first side wall to the external surface of the second opposite side wall to match the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine.
 
5. A pistol magazine, comprising: a metallic tubular body defining a hollow interior having a forward wall, a rearward wall, a first side wall, a second opposite side wall, an open top with feed lips, and a bottom removable closure member, the forward wall having a longitudinally extending spacer projecting outwardly therefrom, an edge in the first side wall or the second opposite side wall 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 opposite side wall dimensioned to fit 9×19 mm cartridges with a staggered arrangement of the cartridges, the walls having a height dimension configured to fit within a handgrip of the polymer frame pistol with the bottom removable closure member configured to be located 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 metallic tubular body from the forwardmost surface of the longitudinally extending spacer to the rearmost surface of the rearward wall to match the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine, and a second external dimension of the metallic tubular body from the external surface of the first side wall to the external surface of the second opposite side wall to match the corresponding exterior dimension of the single stack polymer or polymer-over-metal magazine.