I sure like this one. The guy I bought it from, said "If you mix the alloy 66% wheel weight with 33% pure, and add 1% tin (BHN of 9, according to his Cabine Tree tester), and shoot em 875fps, you get"
but I don't shoot em that slow usually. I use isotope lead (95-2.5-2.5) and shoot em 1150fps, because I like the explosive splash of my water jugs, and my before and after pics look like: