Just got into casting about 6 mos ago. Already have a dozen moulds in 4 cals. Only bought half a pound of pure tin before I started collecting and using pewter. Even found some ebay bargains. Awesome source to sweeten alloys. Haven't looked back. Have been using mostly coww, but also have about 150 lbs of soww, and about the same of range scrap.
My new favorite hard cast is 50/50 coww/range scrap plus 2% pewter ice-cold water dropped. I don't have a hardness tester, but I'd guess it is in the mid 20's for Bnh. Handles mid 40's in my 30-06, and +P pressures in my 44 mag lever gun. I could keep on babbling. Casting is my new big thing. Loving it!!
