Jan 6, 2026

US12516900 - Feed tower mounted leaf springs for magazines

Leaf springs for use in a firearm magazine are described. The leaf springs comprising an inner edge, an outer edge, and a channel, and configured to facilitate movement of cartridges within a feed tower of the firearm magazine. The leaf springs can be in a flexed or unflexed position, wherein downward movement of the cartridges in the feed tower outwardly flex the leaf springs into the flexed position to facilitate downward translation of the cartridges by forcing the inner edge of the leaf springs away from the cartridges, and in the unflexed position, the inner edge of the leaf springs is parallel or substantially parallel to an edge of the cartridges in the feed tower.

Assignee: Magpul Industries Corp.
Inventors: Timothy Eric Roberts
Filing date: 2022-07-05

firearmmagazineleaf springs

The patent describes a firearm magazine that incorporates leaf springs within its feed tower to facilitate the movement of cartridges. These leaf springs can flex or unflex to bias the cartridges towards either the feed end or the base end of the magazine, enhancing the feeding mechanism.

Claim 1

1 . A firearm magazine, comprising: a body; a feed tower; wherein the feed tower is configured to house one or more cartridges and comprises: a feed end opposite a base end, and one or more leaf springs positioned within the feed tower, wherein the one or more leaf springs are positioned closer to the base end than to the feed end, and wherein the one or more leaf springs are configured to bias the one or more cartridges through the feed tower towards the feed end or the base end of the feed tower; and the body is coupled directly to the base end of the feed tower and is configured to receive the one or more cartridges from the one or more leaf springs. a body; a feed tower; wherein the feed tower is configured to house one or more cartridges and comprises: a feed end opposite a base end, and wherein the feed tower is configured to house one or more cartridges and comprises: a feed end opposite a base end, and a feed end opposite a base end, and one or more leaf springs positioned within the feed tower, wherein the one or more leaf springs are positioned closer to the base end than to the feed end, and wherein the one or more leaf springs are configured to bias the one or more cartridges through the feed tower towards the feed end or the base end of the feed tower; and the body is coupled directly to the base end of the feed tower and is configured to receive the one or more cartridges from the one or more leaf springs. the body is coupled directly to the base end of the feed tower and is configured to receive the one or more cartridges from the one or more leaf springs.

Google Patents

https://patents.google.com/patent/US12516900

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12516900