Oct 20, 2026

US12768609 - Magazine floorplate assembly with a tactile round-count indicator

A floorplate assembly with a tactile round-count indicator is disclosed. The assembly includes a floorplate, a tactile indicator, a plunger, and first and second spring elements. The floorplate is configured to be secured to a floor end of an ammunition magazine and includes a slot through which the tactile indicator moves between a retracted position and a protruding position. The plunger is operatively coupled to the tactile indicator and moves the tactile indicator to the protruding position when the plunger is depressed. The first spring element is configured to bias the tactile indicator toward the retracted position. The second spring element is configured to bias the plunger relative to the tactile indicator.

Assignee: UNITY Tactical, LLC
Inventors: Trent Zimmer, Benjamin Mahan
Filing date: 2025-09-19

magazinefloorplateindicatorammunition

The patent describes a magazine floorplate assembly featuring a tactile round-count indicator that can be moved between retracted and protruding positions. This assembly includes a plunger and spring elements that facilitate the operation of the tactile indicator, allowing users to easily gauge the number of rounds remaining in the magazine.

Claim 1

1 . A floorplate assembly comprising: a floorplate configured to be secured to a floor end of an ammunition magazine, the floorplate including a slot; a tactile indicator movable between a retracted position and a protruding position, the tactile indicator configured to protrude from an underside of the floorplate in the protruding position; a plunger operatively coupled to the tactile indicator and configured to move the tactile indicator to the protruding position when the plunger is depressed; a first spring element biasing the tactile indicator toward the retracted position; and a second spring element configured to bias the plunger relative to the tactile indicator. a floorplate configured to be secured to a floor end of an ammunition magazine, the floorplate including a slot; a tactile indicator movable between a retracted position and a protruding position, the tactile indicator configured to protrude from an underside of the floorplate in the protruding position; a plunger operatively coupled to the tactile indicator and configured to move the tactile indicator to the protruding position when the plunger is depressed; a first spring element biasing the tactile indicator toward the retracted position; and a second spring element configured to bias the plunger relative to the tactile indicator.

Google Patents

https://patents.google.com/patent/US12768609

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12768609