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Old January 20, 2005, 09:23 PM   #13
HSMITH
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Join Date: June 21, 2002
Posts: 2,019
Edward, if you added more tin and they got better I think you are on the right track trying to harden the bullets a little. You should drop your wheelweight bullets straight from the mold into cold water, and size them as soon as possible. Cast them where they are just starting to get frosted, HOT bullets. Within a couple hours for the sizing is fine. This will harden the bullet more than adding more tin will harden them. You have PLENTY of tin in your bullets as is.

If you still get leading you may need to harden them some more, and heat treating a small batch is easy enough. Put a batch of sized but unlubed bullets standing on the bases in the oven at 400* for a half hour, take them from the oven and dump them in cold water immediately. Lube and shoot. Straight wheelweights heat treated are harder than woodpecker lips, if this doesn't work you need to investigate sizing and lube used.
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