Swaro Z5s dial 0.975” at 100 yards. To best accomodate this in my shooter app I set it at IPHY and then the elevation correction factor set to 1.025” (this accounts for the 0.025” difference between IPHY and 0.975”).
I haven’t played with the Sig BDX so not much help there but i’m guessing if it doesn’t have the option to adjust IPHY or elevation correction factor then the best method would be adjust MV until the BDX solution matches your trued shooter app solution? Forgive me if i’m way off the mark here, don’t know how the sig system works.
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