Apr 15, 2025

US12276470 - Firearm receiver assembly

An upper receiver assembly for a firearm having an upper receiver with an integral barrel nut, a handguard assembly and a barrel nut assembly with a barrel and lock nut is provided. The barrel is received by the upper receiver and is secured directly to the upper receiver using the lock nut. The upper receiver also includes an integral handguard mounting member to which the handguard assembly may be directly attached. The upper receiver assembly allows the user to attach both the barrel and handguard assemblies directly to the upper receiver, independently of one another.

Assignee: LWRC International LLC
Inventors: Jesus S. Gomez
Filing date: 2023-06-26

firearmreceiverassembly

The patent describes an upper receiver assembly for gas-operated firearms that features an integral barrel nut and a handguard mounting member, allowing for independent attachment of the barrel and handguard assemblies. This design enhances user flexibility by enabling direct connections to the upper receiver without interdependence between components.

Claim 1

An upper receiver assembly for use with a gas operated firearm having a gas operating system, the upper receiver assembly comprising: an upper receiver having a front end having an integral receiver extension extending therefrom, the receiver extension substantially shaped like a circular, elongated cylinder with a top portion of cylinder wall removed, a forward end of the receiver extension having an incomplete circular opening with a threaded interior, wherein a forward face of upper receiver includes an opening in communication with a channel that runs approximately parallel to a longitudinal axis of the upper receiver assembly, wherein the opening has a forward end and a rearward end; a barrel directly secured to the upper receiver; and a handguard assembly directly secured to the upper receiver independently of the barrel. an upper receiver having a front end having an integral receiver extension extending therefrom, the receiver extension substantially shaped like a circular, elongated cylinder with a top portion of cylinder wall removed, a forward end of the receiver extension having an incomplete circular opening with a threaded interior, wherein a forward face of upper receiver includes an opening in communication with a channel that runs approximately parallel to a longitudinal axis of the upper receiver assembly, wherein the opening has a forward end and a rearward end; a barrel directly secured to the upper receiver; and a handguard assembly directly secured to the upper receiver independently of the barrel.

Google Patents

https://patents.google.com/patent/US12276470

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12276470