Aug 11, 2026

US12704335 - Handgun and magazine therefor

A handgun has a grip portion defining a magazine well, the grip portion having a web region configured to be grasped between a thumb and an index finger, a forward portion of the web region defining a first width. The grip portion also has a palm region configured to be grasped by a user's palm, the palm region defining a second width greater than the first width. A magazine is configured to be received in the magazine well and includes a hollow magazine tube with a single-stack portion and a double-stack portion positioned below the single-stack portion. For example, front portions of the opposite tube sidewalls have a stepped shape between the upper tube end and the double-stack portion.

Assignee: Sig Sauer, Inc.
Inventors: Adrian Thomele, Jason Knight, Scott D. Shinkle
Filing date: 2025-07-07

handgunmagazinefirearmammunition

The patent describes a handgun with a uniquely designed grip that accommodates a magazine featuring both single-stack and double-stack configurations for ammunition. The magazine includes a transition portion that facilitates the movement of cartridges from the double-stack to the single-stack section, enhancing the firearm’s functionality.

Claim 1

1 . A handgun magazine comprising: a single-stack portion configured to hold at least two ammunition cartridges with projectiles aligned along a median plane of the handgun magazine; a double-stack portion below the single-stack portion and configured to hold multiple ammunition cartridges with projectiles that are not aligned along the median plane of the handgun magazine; and a transition portion between the single-stack portion and the double-stack portion, the transition portion configured to transition ammunition cartridges from the double-stack portion to the single-stack portion; wherein a front portion of a sidewall of the handgun magazine has a first change in slope, with respect to the median plane, between the double-stack portion and the transition portion, and wherein the front portion of the sidewall of the handgun magazine has a second change in slope, with respect to the median plane, between the transition portion and the single-stack portion. a single-stack portion configured to hold at least two ammunition cartridges with projectiles aligned along a median plane of the handgun magazine; a double-stack portion below the single-stack portion and configured to hold multiple ammunition cartridges with projectiles that are not aligned along the median plane of the handgun magazine; and a transition portion between the single-stack portion and the double-stack portion, the transition portion configured to transition ammunition cartridges from the double-stack portion to the single-stack portion; wherein a front portion of a sidewall of the handgun magazine has a first change in slope, with respect to the median plane, between the double-stack portion and the transition portion, and wherein the front portion of the sidewall of the handgun magazine has a second change in slope, with respect to the median plane, between the transition portion and the single-stack portion.

Google Patents

https://patents.google.com/patent/US12704335

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12704335