Thread: Bismuth Shot Impact Energies?
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Unread 04-10-2021, 02:33 PM   #9
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Milton C Starr
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Using #5 shot the weight I found going by rotometals website is 2.1grs for a #5 bismuth and for a lead #5 2.5grs. Which works out @1200fps to 7ft lbs of muzzle energy for the bismuth and 8ft lbs of muzzle energy for the lead #5
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