Yeah I can’t afford them either. Which is why I want to go down to the armory and practice with it.
Hell, I can’t afford ammo for a modern tank! What does it cost per shot, $500?
(Checked on some surplus ammo for a 40mm - costs $10 per round if you buy in bulk. No imagine what a 120mm DSFSDU round would cost...)
MIGHT be able to afford a couple of shots with a rocket launcher or bazooka... Some of the old HE or HEAT stuff is pretty cheap.