Remember now, I am recollecting this from when I was 10 or 11 years old ore better, some 20-25 years ago. Like I said, we used sheets of lead (soft stuff) for the majority of the bullets that my grandad made. He also made up a lot of that stuff for fishing, which may be where the wheel weights came in, I am not sure. All that I remember for sure is that when I was 17/18 years old and my gramps got the old 54 calibers and others out I got a workout shooting all of his old muzzleloaders. Fun stuff, but painful too when gramps wasnt quite sure how much powder was needed for a good load.