Food safe modern pewter is cheap, and easy to find. Junk stores, and antique shops, usually have a bunch of lead free pewter wine glasses, and mugs, that have been engraved as trophies for some long lost event. Buy a couple, they’re usually cheep, and go cast some balls. You might want to get yourself some designated casting tools to cast “lead free” bullets. Because you never know how sensitive the states lead detecting equipment is.
Hungry Horse