US12359884 - Caliber select magazine system

The patent describes a firearm with a magazine well designed to accommodate two different magazine types for distinct cartridge calibers, enhancing versatility. A magazine retention latch is incorporated to ensure that only the appropriate magazine type is admitted and retained, preventing the use of incompatible magazines.

Claim 1

1. A firearm comprising: a frame defining a magazine well configured to receive a first magazine type configured to receive a first cartridge caliber and to receive a second magazine type configured to receive a different second cartridge caliber; a magazine retention latch connected to the frame; and the latch being configured to admit and retain a magazine of the first type and to deny admission and retention of a magazine of the second type. a frame defining a magazine well configured to receive a first magazine type configured to receive a first cartridge caliber and to receive a second magazine type configured to receive a different second cartridge caliber; a magazine retention latch connected to the frame; and the latch being configured to admit and retain a magazine of the first type and to deny admission and retention of a magazine of the second type.

Google Patents

https://patents.google.com/patent/US12359884

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12359884