I don't have anywhere near Shrapnel's experience with these old guns and cartridges, and have no thoughts on 2000 fps min for hydrostatic shock. This 543 gr bullet from a 45-70 fueled by charcoal at 1100 fps put a plenty big enough hole in this mule deer to let the air and blood out in short order. +/-150 yd shot and he went 60-70 yds with no major bones hit. I was surprised how effective it worked though did have some initial reservations not using a flat nosed bullet.
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Last edited by JGray; 11/29/14.