High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.

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

A breech mechanism in artillery where the screw threads are interrupted to allow quick opening and closing of the breech.

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