Sep 8, 2026

US12729923 - Translucent magazine for a firearm

A translucent magazine for a firearm may be formed from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU). The translucent magazine including a follower, floor plate, and a follower spring. The follower being opaque. The follower residing within a casing.

Assignee: Magpul Industries Corp.
Inventors: Peter Zagone, Libardo Jimenez, Nicholas Kielsmeier
Filing date: 2024-10-14

firearmmagazineammunition

The patent describes a translucent magazine for firearms made from a blend of Polyetherimide and other high-performance polymers, featuring a follower, floor plate, and follower spring. The design allows for visibility of ammunition within the magazine while maintaining structural integrity and functionality.

Claim 1

1 . A magazine for a firearm, the magazine comprising: a casing, the casing being fabricated from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU); a follower residing within the casing; a floor plate configured to interface with the casing; and a follower spring coupled between the follower and the floor plate. a casing, the casing being fabricated from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU); a follower residing within the casing; a floor plate configured to interface with the casing; and a follower spring coupled between the follower and the floor plate.

Google Patents

https://patents.google.com/patent/US12729923

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12729923