# US 12,215,948 B2 · Firearm

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- Number: US 12,215,948 B2
- Document ID: US12215948B2
- Status: Granted
- Kind: B2
- Application number: 17/490,061
- Filed: 2021-09-30
- Published: 2022-01-20
- Granted: 2025-02-04
- Earliest claimed: 2019-01-20
- Applicants: Firearm Consulting Group, LLC
- Inventors: Paul T. Noonan; Dean Earl Sylvester
- Web page: https://patentgrep.com/patent/US12215948B2

## CPC

- F41A 3/66: Breech housings or frames; Receivers
- F41A 11/00: Assembly or disassembly features; Modular concepts; Articulated or collapsible guns (F41A3/64, F41A19/10 - F41A19/15, F41A21/48, F41A25/26 take precedence)
- F41A 11/02: Modular concepts, e.g. weapon-family concepts
- F41A: FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

## Abstract

An upper receiver assembly of a firearm is disclosed. The upper receiver assembly contains a barrel, an extension block removably coupled with the barrel, an upper receiver removably coupled with the extension block, a handguard mounting block removably coupled with the barrel, and a handguard removably coupled with the handguard mounting block.

## Claims

### Claim 1

An upper receiver assembly of a firearm, the upper receiver assembly comprising:
a barrel;
an extension block removably coupled with the barrel;
an upper receiver removably coupled with the extension block;
a handguard mounting block removably coupled with the barrel; and a handguard removably coupled with the handguard mounting block; wherein the handguard mounting block comprises an aperture configured to accommodate a gas block.

### Claim 2 (depends on 1)

The upper receiver assembly of claim 1, wherein the upper receiver is coupled to a lower receiver to form a firearm that can be fired without a stock.

### Claim 3 (depends on 1)

The upper receiver assembly of claim 1, wherein the handguard mounting block is removably coupled directly to the barrel.