HEAT -- High Explosive Anti-Tank round.  Used for lighter armored targets. A shaped inverted explosive charge with a copper lining that once detonated forces a molten copper jet into the tank at up to 25 times the speed of sound, liquifying the armor and penetrating the crew compartment. Despite producing only a small hole in the armor, the fire and copper can have devastating consequences inside the vehicle.

APFSDS (Armoured Piercing Fin-Stabilised Discarding Sabot). Used for Tank targets, this is ..read more