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-loading mechanism for artillery, featuring interrupted screw threads for rapid sealing and opening of the breech.

Artillery classification distinguishing self-propelled wheeled vehicles from weapons towed by external means.