A semiautomatic shotgun gas diversion system uses lateral pressure relief valves to regulate propellant gas flow into the piston chamber.
Segmented spring systems maintain consistent follower pressure to resolve feeding reliability contradictions in high-capacity ammunition magazines.
A shooting rest uses a non-circular height adjustment member to support firearms at variable elevations.
An integrated magazine extension combines a spring and guide within a tube to prevent feeding issues from reduced spring force.
A rifle feed assembly integrates a selector mechanism with a pawl and magazine cover to switch between belt and magazine ammunition sources.
Single motor assembly with epicycloidal reducer automates ammunition transport between decks, reducing mechanical drive complexity.
A contoured follower guides blank cartridges through the magazine feed path, preventing jams caused by shorter cartridge geometry.