US12422204 - Configurable firearm shell casing catching system

The patent describes a configurable shell casing catching system designed to collect ejected casings from firearms, featuring a mounting assembly, casing deflector, and hopper. The system includes an optional shim to accommodate different firearm sizes by adjusting the mounting assembly’s dimensions.

Claim 1

1. A firearm shell casing catching system for collecting casings ejected from a firearm, the firearm having an ejection port and a receiver, the firearm shell casing catching system comprising: a mounting assembly selectively attachable to a firearm receiver, the mounting assembly comprising a rear tab, a first side wall defining a first inside surface, a front wall defining a second inside surface, and a second side wall defining a third inside surface, wherein the front wall has a top surface and a bottom surface, wherein the top surface defines a top socket and the bottom surface defines a bottom socket; a shim selectably attachable to the mounting assembly, having a body, an upper flange, and a lower flange, wherein the upper flange comprises an upper protrusion, wherein the lower flange comprises a lower protrusion, wherein the upper protrusion is configured to be received by the top socket and the lower protrusion is configured to be received by the lower socket; a casing deflector coupled to the mounting assembly, the casing deflector defining a chamber having an upper opening and a lower opening, wherein the casing deflector comprises an outer wall, the outer wall defining an inner deflecting surface extending between the upper opening and the lower opening; and a hopper selectably attachable to the casing deflector, the hopper defining a casing storage chamber. a mounting assembly selectively attachable to a firearm receiver, the mounting assembly comprising a rear tab, a first side wall defining a first inside surface, a front wall defining a second inside surface, and a second side wall defining a third inside surface, wherein the front wall has a top surface and a bottom surface, wherein the top surface defines a top socket and the bottom surface defines a bottom socket; a shim selectably attachable to the mounting assembly, having a body, an upper flange, and a lower flange, wherein the upper flange comprises an upper protrusion, wherein the lower flange comprises a lower protrusion, wherein the upper protrusion is configured to be received by the top socket and the lower protrusion is configured to be received by the lower socket; a casing deflector coupled to the mounting assembly, the casing deflector defining a chamber having an upper opening and a lower opening, wherein the casing deflector comprises an outer wall, the outer wall defining an inner deflecting surface extending between the upper opening and the lower opening; and a hopper selectably attachable to the casing deflector, the hopper defining a casing storage chamber.

Google Patents

https://patents.google.com/patent/US12422204

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12422204