# US 8,783,153 B2 · Side handle firearm actuation system

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- Number: US 8,783,153 B2
- Document ID: US8783153B2
- Status: Granted
- Kind: B2
- Application number: 13/687,651
- Filed: 2012-11-28
- Published: 2014-03-06
- Granted: 2014-07-22
- Earliest claimed: 2009-07-24
- Applicants: Joseph P. Sirochman
- Inventors: Joseph P. Sirochman
- Web page: https://patentgrep.com/patent/US8783153B2

## CPC

- F41A 3/72: Operating handles or levers; Mounting thereof in breech-blocks or bolts {(F41C7/02, F41C7/06 take precedence)}
- F41A 5/18: gas-operated
- F41A 7/00: Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers
- F41A 9/38: Loading arrangements, i.e. for bringing the ammunition into the firing position
- F41A: FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

## Abstract

In accordance with various exemplary embodiments, a firearm actuation system is provided. The firearm actuation system, comprising a housing, a guide, a contoured actuation handle, and a bolt. The system provides an actuation mechanism for an AR-15 which is engagable by a shooter where the AR-15 is in a shouldered firing position. The contoured actuation handle may be retained in the retaining slot to provide an action-open-position. The housing may also comprise a mounting rail with a plurality of grooves, where each groove may be configured with a unique indicator.

## Claims

### Claim 1

An upper receiver for a firearm, comprising:
a housing defining an internal cavity;
a mounting rail coupled to said housing, said mounting rail configured with a plurality of grooves;
a first unique indicator inscribed in a first groove of the plurality of grooves;
a second unique indicator inscribed in a second groove of the plurality of grooves;
a guide defining a guide slot, said guide is retainably installed within said housing such that said slot provides access to said internal cavity;
a positionable actuation handle assembly; and
a bolt installed within said housing and engagable by said positionable actuation handle assembly.

### Claim 2 (depends on 1)

The upper receiver of claim 1, wherein the upper receiver is configured to couple to a lower receiver.

### Claim 3 (depends on 1)

The upper receiver of claim 1, wherein said positionable actuation handle assembly is engagable by a shooter from a shouldered firing position.

### Claim 4 (depends on 1)

The upper receiver of claim 1, wherein said housing further comprises a retaining slot.

### Claim 5 (depends on 4)

The upper receiver of claim 4, wherein said positionable actuation handle assembly is retained in said retaining slot to provide an action-open-position.

### Claim 6 (depends on 1)

The upper receiver of claim 1, wherein the first unique indicator is an alpha-numeric indicator.