This would be fun to try of course I cant imagine using it more than once a decade or so.

http://www.popularmechanics.com/automotive/how_to/4329523.html

I just knew there was a reason to hoard musket balls.

Shoot Doc, I had pegged you as more of a mini ball kinda guy.

Not nearly as neat, but you can accomplish the same thing with a soup can. Cut a hole in the side to pour out the soup, then trim it to fit snugly around a section of pipe for a handle. Dry the can thoroughly (eg heat it with a torch) and make a nest to hold it with the hole on top. Pour it almost full of molten lead and stick the handle in. After it cools, cut and peel the can away.

Not sure if it's still true, but it used to be that tire shops would give you old wheel weights for the asking. There's probably still 60# of them in my Dad's garage somewhere.

But I just picked up a couple of brass hammers at HF, when they were on sale for about $8 each

I have a lead press ingot for whacking spinners off. Left over from the days of newspapers and Line-O-Type typesetters. It's a bit pagger'd now, more a conversation piece. It lived in the boot of more than a few MGBs in its time.

Lead hammers are great for those wire wheel nuts as they don't leave any marks on the chrome plating. However, there is an alternative that I'm currently using...the Dead Blow Hammer...

I knew a bunch of black powder shooters that would do just that. Then set about for the evening making musket balls from the wheel weights.