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Registered
Join Date: Dec 1969
Location: chula vista ca usa
Posts: 5,731
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The ballistics calculator website I listed will take the info you have plus humidity, temperature, height above sea level (our range is 1255 FT for example) and such. It also figures that you are reading the velocity 15 or 20 or ??? feet from the muzzle so you do not have to move your chronograph.
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