Nov 18, 2025

US12474131 - Frame assembly for a firearm

A receiver assembly for a handgun. The receiver assembly includes an upper receiver portion, a lower receiver portion, and a locking mechanism. The upper receiver portion includes i) a guide rail for receiving a slide assembly and ii) a magazine compartment for receiving a magazine. The magazine compartment defines a magazine insertion direction, and the magazine is pushable into the magazine compartment in the magazine insertion direction. The lower receiver portion is slidable onto the upper receiver portion in the magazine insertion direction. The locking mechanism is configured to couple the lower receiver portion to the upper receiver portion. The locking mechanism includes a locking element that is structurally independent. The locking element includes a contact projection and a locking projection. The contact projection form-fittingly engages with the lower receiver portion and the locking projection form-fittingly engages with the upper receiver portion.

Assignee: Glock Technology GmbH
Inventors: Sebastian Hell, Juergen Gunsam, Josef Kroyer, Markus Karlo, Ralph Morgenfurt, Thomas Mayrhauser
Filing date: 2022-12-22

firearmhandgunreceiverassembly

This patent describes a receiver assembly for handguns that includes an upper and lower receiver portion, along with a locking mechanism that securely couples the two. The design features a magazine compartment with a defined insertion direction and a guide rail for a slide assembly, enhancing the firearm’s functionality and ease of use.

Claim 1

1 . A receiver assembly for a handgun, the receiver assembly comprising: a upper receiver portion having i) a guide rail for receiving a slide assembly and ii) a magazine compartment for receiving a magazine, wherein the magazine compartment defines a magazine insertion direction, and wherein the magazine is pushable into the magazine compartment in the magazine insertion direction; a lower receiver portion slidable onto the upper receiver portion in the magazine insertion direction; and a locking mechanism configured to couple the lower receiver portion to the upper receiver portion, wherein the locking mechanism comprises a locking element that is structurally independent, the locking element comprises: a contact projection that form-fittingly engages with the lower receiver portion; and a locking projection that form-fittingly engages with the upper receiver portion. a upper receiver portion having i) a guide rail for receiving a slide assembly and ii) a magazine compartment for receiving a magazine, wherein the magazine compartment defines a magazine insertion direction, and wherein the magazine is pushable into the magazine compartment in the magazine insertion direction; a lower receiver portion slidable onto the upper receiver portion in the magazine insertion direction; and a locking mechanism configured to couple the lower receiver portion to the upper receiver portion, wherein the locking mechanism comprises a locking element that is structurally independent, the locking element comprises: a contact projection that form-fittingly engages with the lower receiver portion; and a locking projection that form-fittingly engages with the upper receiver portion. a contact projection that form-fittingly engages with the lower receiver portion; and a locking projection that form-fittingly engages with the upper receiver portion.

Google Patents

https://patents.google.com/patent/US12474131

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12474131