Maybe if it was small enough, and shot at the right velocity from a reasonable distance? Realistically, it would probably just melt unless it was used with a sling of some sort.

[ Why is he being so earnestly serious about this? ]

Anyway, I doubt we need to worry about that.

[ Dismissing it easily, as the door begins to creak open. The small glimpse inside doesn't look dark, but before the door can really open properly, it's slammed shut from the other side. Maybe they're in luck after all. ]