GunClaims
Weekly firearms and ammunition patent grants.
Dec 2, 2025

US12487040 - Firearm

An upper receiver is disclosed. The upper receiver contains a first inner surface configured to abut a first magazine protrusion, and a second inner surface configured to abut a second magazine protrusion.

firearmreceivermagazine

The patent describes an upper receiver for a firearm that features two distinct inner surfaces designed to interface with corresponding magazine protrusions. This design aims to enhance the stability and functionality of the magazine attachment within the firearm.

Claim 1

1 . An upper receiver comprising: a first inner surface configured to abut a first magazine protrusion; and a second inner surface configured to abut a second magazine protrusion. a first inner surface configured to abut a first magazine protrusion; and a second inner surface configured to abut a second magazine protrusion.

Google Patents

https://patents.google.com/patent/US12487040

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12487040