http://www.shooterscalculator.com/
has some useful calculators, not sure of how accurate the numbers are but they seem to be close. Here is a chart I made up for my Texan at 700 fps with a 300 grain bullet
http://www.shooterscalculator.com/ballistic-trajectory-chart.php?t=973980d0
I know there are others who know a lot more about calculating these factors who can compare their own numbers to this site and see how accurate it is
has some useful calculators, not sure of how accurate the numbers are but they seem to be close. Here is a chart I made up for my Texan at 700 fps with a 300 grain bullet
http://www.shooterscalculator.com/ballistic-trajectory-chart.php?t=973980d0
I know there are others who know a lot more about calculating these factors who can compare their own numbers to this site and see how accurate it is