Multi-barreled cannons?

Is this possible with the current way weapons are handled or would it require additional coding? For example a cannon with three barrels, which shoots three shells at once. How would one go to make this?

Make a sprite for the projectile that looks like 3 separate shells?

Hmm, good idea. That would work visually, if it’s possible to make the projectile look like that. Three separate shells would work better in gameplay though.