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1. (WO2013058860) SHORT RECOIL IMPULSE AVERAGING WEAPON SYSTEM

Pub. No.:    WO/2013/058860    International Application No.:    PCT/US2012/049047
Publication Date: Fri Apr 26 01:59:59 CEST 2013 International Filing Date: Wed Aug 01 01:59:59 CEST 2012
IPC: F41A 5/18
F41A 9/29
Applicants: GENERAL DYNAMICS ARAMENT AND TECHNICAL PRODUCTS, INC.
STEIMKE, David
ROSSIER, Glen
HAYES, Larry
PARKER, Douglas
Inventors: STEIMKE, David
ROSSIER, Glen
HAYES, Larry
PARKER, Douglas
Title: SHORT RECOIL IMPULSE AVERAGING WEAPON SYSTEM
Abstract:
A weapon system is provided. The weapon system includes a receiver and an operating group. The operating group includes a barrel extension at least partially housed within the receiver and arranged to axially translate relative to the receiver; an operating rod (op-rod) assembly arranged to axially translate within the barrel extension; and a bolt assembly arranged to axially translate within the barrel extension. The system further includes a gas accelerator coupled to the barrel and the op-rod assembly; a buffer assembly including a self-centering spring and a hydraulic piston assembly having a first end coupled to the receiver and a second end coupled to the barrel extension; and a feeder coupled to the receiver and configured to provide the round to the operating group.