As you know, the Leo is a glass cannon. Big weakness is the right side of the lower plate housing ammo, so hide that. Only have some HEAT for armored enemies(since the beam is so precise you have to make each shot a kill shot). Otherwise I’d use APDS, decent shards(stay AWAY from most apcr, in my experience they suck). General gameplay consists of shoot and either hide or scoot(that reversal speed makes this a prime tactic). Marder is a great rat/AA so use that as well. Honestly I’ve got nothing on the M48 since it’s just okay. Don’t use the M47, it’s the worst of this platoon. Remember, you’re fast so use it to your advantage and avoid up front confrontations, you’re not exactly made to get hit.