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California Precision Rifle Club California Precision Rifle Club Forum |
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#1
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I have seen the JBM light!
Well I finally decided to bust out my cronograph and punch in all my data into a JBM calculator to see how it compares to my actual data. That thing was right on (+/- .25 MOA)! Well at least up to 600 yds since I haven't gotten data for anything past that in its new setup.
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#5
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At what elevation were you shooting? If incorrect input yielded correct output, correct input may be incorrect.
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#6
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yep, same issue for me with jbm. i have to play around with the objective height too.
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