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.

Method of transporting artillery by mounting it on a railway flatcar for movement along rail lines.

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