Re: Need a drop chart
Which JBM chart are you using? I have found the small drop charts are off and need tweaking but the main trajectory cal is good and will match with other quality ballistic calculators.
If you post up your data we could have a look at it. I'm running Loadbase 3.0 and out to about 1000yrds JBM is fairly close if I have everything spot on, maybe give you some more perspective.
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