Metalloids

If anybody needs a volunteer to test stone shot I can do it, but I recommend we use it for smooth bore arms only. Blowing a bloody rock out the barrel of anything with rifling will screw up the barrel something fierce and you’ll be in trouble when you can go back to using conventional ammo.

Cobus,
Could we use a below the diameter projectile and then put a wooden case around it?

Yeah I...reckon we could. Might be better for a sawed-off like William Sterling and I have, but. It's feasible.

Cobus, Donny,

If you're going this route with your munitions, I advise caution. There are reasons stones and wood aren't conventionally fired out of cannons, handheld or otherwise. One errant dent or bump on your shot (and if you go with wood i imagine the initial shot may potentially burn some of it off) and the thing'll lose its accuracy, may hit your allies rather than your targets. I may not know arquebus's but I know enough of cannons.

You both are wise, I'm sure you'll figure something out.

Agreed, that's my biggest concern about the whole affair. Even with smoothbore weapons you still want to avoid messing up the barrel.

...honestly, best course of action might just be to explore making rust bombs we can fire out of our arquebi like the high explosive rounds I've seen some folks make. Provided the ordnance itself is made right there's much less of a chance of us ruining our weapons for conventional rounds.

Selby, reckon this is something that could be done?

Shove some glass down the barrel of a blunderbuss and be done with it. I've seen this used and the results are terrifying.