I cast for 25-20WCF, 308, 38-55, 45 ACP and 45 Colt. The only one I run over 15 BHN on is the 308 at 2200 fps, and that one is a 15 BHN alloy that I water quench out of the powder coat oven. I try to stay under 3% Antimony on everything to keep from getting brittle and shattering on bone. The vast majority of my alloy is closer to 11-12 Bhn and just over 2% Antimony. Even that is harder than needed in the two handgun rounds.
