If casting with WW. You have other options if you just wanting harder Bullets. WW have arsenic in them which when heat treated and to an extent water dropping . Will get pretty hard. I have read were guys have actually gotten a BHN of 30. Way to hard for a Bullet. My main source for tin is Linotype. I add this too my WW and the mix I am getting is between 22 to 24 BHN. I have found Lyno at on-line auction sites. It usually goes for about $1.50 a pound. If thinking about casting I strongly suggest the Lyman cast bullet book. You would not think of reloading with out a manual. And casting is no different.
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