Patent ID: 8752472
Filing Date: 2014-06-17
Classification: F41A

Abstract:
1. A weapon having a forward end and a rear end, comprising: a housing; a receiver translatably disposed in the housing; a barrel having one end fixed to the receiver, the barrel being translatable with respect to the housing; a pair of recoil rods having first ends fixed to the receiver and disposed on opposite sides of the barrel, the recoil rods being translatable with respect to the housing and parallel to the barrel; respective recoil springs disposed around each recoil rod with first ends of the recoil springs abutting a forward surface of the housing; a bolt and bolt carrier translatably disposed in the receiver; a bolt carrier return spring disposed in the housing between the bolt carrier and a rear surface of the housing; a gas chamber disposed on the barrel, the gas chamber including a piston and a gas port, the gas port including an opening therein; an operating rod translatably disposed in the opening in the gas port and translatable by the gas piston toward the bolt carrier; and an operating rod spring disposed in the receiver, the operating rod spring biasing the operating rod toward the gas piston.