How about the bombard in Starfinder?
BIG BOOM (COMBAT)
BOOM!
Prerequisites: Character level 6th, soldier, Bombard primary fighting style.
Benefit: Increase your the damage of any grenade you use by +1 per damage die. When you use a full action to make a single attack, add double your strength modifier to the damage of the attack instead of just once for your heavy fire ability.
Thoughts?
Throat Punch Games 