Rapid fire howitzer

Receiver for spent shells

Reciprocating feed system

Revolving ammunition magazine

Rotary differential ammunition reservoir

Rotary magazine for firearm with hold-open lever

Rotatable breech gun

Round-orienting replenisher for ammunition storage and transport

Securing and ejector device on ammunition-stowage systems with s

Self-powered ammunition feed and storage canister

Semiautomatic pistol and ammunition

Semiautomatic pocket gun and ammunition

Shaft for a driven magazine

Shell feeder for an automatic gun

Shell feeding apparatus for guns

Shell magazine for tanks

Single barrel externally powdered gun

Solenoid selector switch shield for weapons system feeder assemb

Spiral drum magazine with elongated magazine clip and multiple l

Spiral drum magazine with elongated magazine clip and single pie