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Patent 7926217 Click For Printable Version of This Patent
Patent Information:  USPTO Site Listing

Patent Number: 7926217
Case ID: 0
Patent Title: Self-supporting composite material firearm stock
Status: ACTIVE
Status Date: 8/2/2011 3:01:49 PM
Issue Date: 4/19/2011
Filed Date: 12/31/2008
Serial #: 2/347,554
Assignee Name:
Inventor(s): McCann, Richard J.
Lab Information:  View Lab Profile

Lab Name: U.S. Army Armament Research, Development and Engineering Center
Location: RDAR-EIB
Picatinny Arsenal, NJ 07806-5000
Contact: Contact Lab About This Patent
   
Description:
TECHNICAL FIELD

This invention relates generally to a stock for a firearm, such as a rifle. More specifically, it relates to a firearm stock comprised of composite material in the form of a self-supporting shell that is extraordinarily lightweight, strong, and adaptable.

BACKGROUND OF THE INVENTION

The M14 rifle, formally the US Rifle, Caliber 7.62 mm, was adopted by the U.S. military in 1957. In January 1968, the U.S. Army officially replaced the M14 with the M16 as the "Standard A" rifle. Although officially phased out as the standard issue rifle, variants of the M14 continued to be used by various branches of the U.S. military, especially as a designated marksman rifle and/or a semiautomatic platform sniper rifle, due to its accuracy and effectiveness at long range.

Recently, there has been a need identified for a battle rifle with greater terminal ballistic performance than the 5.56 mm (.223 caliber) round delivered by the M16 and M4 carbine . . . . More
Abstract:
Shown is a firearm stock having a self-supporting structural shell made substantially of composite material. The shell includes an exterior wall and an interior wall, at least some portion of which is spaced from the exterior wall. A cavity in the shell is sized and shaped to accept and secure the barreled action of a firearm and has an interior volume defined at least in part by at least a portion of the interior wall. The stock also includes a means for attaching a butt stock with a standardized complementary attachment means.
Claims:
What I claim is:

1. A self-supporting composite material stock for use with a firearm having a barreled action and with a separate buttstock, comprising: a self-supporting structural shell made substantially of composite material, comprising: an exterior wall; an interior wall, at least some portion of which is inwardly spaced from the exterior wall; wherein a space is defined between portions of the interior and exterior walls, said space being devoid of structural support material; a cavity in the shell having an open top and configured to accept and secure a barreled action of a firearm by vertical insertion through the open top, the cavity having an interior volume defined at least in part by at least a portion of the interior wall; and a buttstock attachment member fixed to the structural shell and configured for attaching a detachable buttstock wherein a longitudinally-extending space is defined between lateral portions of the interior and exterior walls, the interio . . . . More