I got a cheap rock tumbler from Harbor Freight to tumble buckshot, round ball and slugs. The reason behind this was to remove the sprue marks and casting lines. I put about 1-2 pounds and a tiny squirt of dry graphite in the container and let it tumble on itself for a couple of hours. I am pleased with the results:
I currently have Lyman 525, Lee key drives, and a couple other Russian slugs rolling now. I’ll post pics once done.
What do y’all think?
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