Not really. HEAT rounds for 120mm cannons move at around 1300 m/s. There's very little point to high velocity HEAT rounds, but they aren't impossible.Originally posted by Corejob:
One area where traveller got it right is that HEAP (HEAT) rounds must of necessity be low veocity.
As a second line weapon would probably be the most common answer. Some firepower at reduced size/weight/cost for those people who's primary role isn't infantry, but may be required to defend themselves on occasion.
More likely ACP would be LACPDW.
Lightweight Advanced Combat Personal Defense Weapon.