Budarooski wrote:What do you suggest? I'm open to try anything.
Indeed almost anything in better than a potato if damage is what you're after.
One scenario is to find yourself a light, strong cup shaped object that fits well in the barrel, this will serve as a sabot and after that any hard object will make a good projectile as long as it fits
If you browse through these hallowed pagesI'm sure you'll encounter something relevant, what's your barrel diameter?