column one velocity at 8ft in feet/sec column two calculated energy at 8ft in ft/lbs column three remaining velocity at 30ft in feet/sec column four calculated remaining energy at 30ft in ft/lbs
SUMMARY mean velocity at 8ft 2023 feet/sec mean calculated energy at 8ft 4661 ft/lbs
mean velocity at 30ft 2000 feet/sec mean calculated energy at 30ft 4553 ft/lbs
I hope that this may be of use to SOMEONE
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458 Win Mag velocities - Factory Ammo in Ruger No1