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There is an error in the 070612 Calculator. "Estimated hardness calculated by Rotometals formula: Brinell = 8.60 + ( 0.29 * %Tin ) + ( 0.92 * %Antimony )"

It should be noted that the 8.60...

Not sure I understand why you'd want a boolit without lube grooves. That would increase the bearing surface and thus the amount of friction. Where's the advantage?

Is anyone wet tumbling in a vibratory tumbler like the Lyman Turbo 1200?

I notice many of you dry your brass after citric acid cleaning and use a temp in your oven of 110-120 degrees.

Here's my question: Would it hurt anything to dry it at 170 degrees?

I think an important question when it comes to 40 S&W is what gun are you shooting? If it's a Glock and you haven't replaced the original barrel, lead bullets are going to be a problem. The Glock...