Abstract: Gas pressure generated during firing of a blank cartridge expands down the ore of a weapon barrel having a pressure relief valve attached to the end thereof and into which the propellant gases are vented to provide barrel recoil and yet prevent residue buildup therein.
Type:
Grant
Filed:
December 17, 1974
Date of Patent:
March 2, 1976
Assignee:
The United States of America as represented by the Secretary of the Army