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Advanced Marksmanship Data Book and Charts - Dope - Wind Rose - Weaponized Math - MOA to Mil - Jack Master

Oh maybe because we have a “try dope” and then and actual, which is our way of saying you can adjust from the math plus or minus to hit water line ?

But I didn’t understand the question?
If I may take a shot at this, I believe @Ed Compton is referring to this chart

IMG_7074.jpeg


@Ed Compton if my assumption is correct it’s simply because this chart covers a wide range of bullets and ammunition combinations. As you get further out there are more variations resulting in more possibilities which requires the use of more rows. That’s all.