Does anyone have a guess on the hardness of salvaged outdoor range lead. Lead would be from cast centerfire pistol bullets and jacketed pistol/rifle bullet cores picked up from the backstop of an outdoor range. No .22s, car batteries or other industrial scrap.

Need an estimate for Brinell Hardness (BHN). I understand that hardness will very melt lot to lot. Just need an approx BHN number.

Thinking of casting .45-70 bullets for mid-range rifle plinking not competition or hunting-1200-1400fps, Looking for a BHN approx 10-12 or an alloy of 20/1 without doing my own hardness testing and alloy work. Thx. Steve
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