Originally Posted by
Mad Trapper
Try a roofer for scrap lead flashing, it will be pure lead.
An old junkyard for wheel weights, newer weights are alloys that may not be suitable.
Scrap yards.
Linotype from printers.
Fishing weights, many places have banned the lead ones.
I would be skeptical of making your own copper bullets and would not want to be around when you test them.
Aluminum is too light and same concerns as copper.
Unfluxed solder that has also been banned in many places.
Rifle ranges, you will have to pick through the backstop materials, melt the lead and debris down, and pour off the purified lead.You will need a setup and a flux for this.