Recoil system using a combination of liquid and compressed gas to absorb and return energy from firing.

An armored crew compartment on towed artillery or mortar systems designed to protect operators from small arms fire, shrapnel, and blast effects during operation.

Artillery system with integrated propulsion, enabling movement under its own power rather than being towed.

A breech mechanism in artillery where a solid block slides horizontally to open and close the breech for loading.