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Old June 18, 2005, 11:13 PM   #14
snuffy
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Join Date: May 20, 2001
Location: Oshkosh wi.
Posts: 3,055
Tin alone in pure lead does not harden bullets. 2-3% tin will make casting a lot easier, the mold fills out better when tin is present. Tin and antimony in pure lead will harden more. Arsenic added in will allow the bullet to be hardened by tempering or quenching in cold water. Arsenic can be obtained in common shotgun shot bought for reloading.

Range lead can never be assumed to be pure. Some jacketed bullets may have a bit of tin and antimony added to control expansion.
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