Jun 17, 2025

US12332013 - Firearm with dual feed magazine

A firearm with dual feed magazine has a frame defining a magazine well and defining a forward and rearward direction, a magazine configured to be received in the magazine well in a retained position, the magazine including a tubular body having an upper end and an opposed lower end, the tubular body defining adjacent first and second elongated passages, a first spring and first follower received in the first elongated passage, a second spring and second follower received in the second elongated passage, the first elongated passage configured to receive a first stack of ammunition, and the second elongated passage configured to receive a second stack of ammunition. The tubular body may include a divider between the first and second elongated passages and is configured to separate the first stack of ammunition from the second stack of ammunition. The divider may be a flat wall.

Assignee: XCAL IP LLC
Inventors: Jason Kiyoshi Brown
Filing date: 2023-09-13

firearmmagazineammunition

The patent describes a firearm equipped with a dual feed magazine that features a tubular body with two elongated passages for separate stacks of ammunition, each utilizing its own spring and follower. This design allows for efficient loading and firing of two different types of ammunition without the need for manual reloading between shots.

Claim 1

A firearm comprising: a frame defining a magazine well; the frame defining a longitudinal axis defining a forward and rearward direction along the longitudinal axis; a magazine configured to be received in the magazine well in a retained position; the magazine including a tubular body having an upper end and an opposed lower end; the tubular body defining adjacent first and second elongated passages; the first elongated passage being forward of the second elongated passage; a first spring and first follower received in the first elongated passage; a second spring and second follower received in the second elongated passage; the first elongated passage configured to receive a first stack of ammunition; and the second elongated passage configured to receive a second stack of ammunition. a frame defining a magazine well; the frame defining a longitudinal axis defining a forward and rearward direction along the longitudinal axis; a magazine configured to be received in the magazine well in a retained position; the magazine including a tubular body having an upper end and an opposed lower end; the tubular body defining adjacent first and second elongated passages; the first elongated passage being forward of the second elongated passage; a first spring and first follower received in the first elongated passage; a second spring and second follower received in the second elongated passage; the first elongated passage configured to receive a first stack of ammunition; and the second elongated passage configured to receive a second stack of ammunition.

Google Patents

https://patents.google.com/patent/US12332013

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12332013