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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with a drop chart....
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<blockquote data-quote="azarcher10x" data-source="post: 2023964" data-attributes="member: 57286"><p>Scope height is the most critical measurement for having your chart read correctly, assuming the chronograph is accurate. That measurement will affect close range (under 100) and midrange, even if a long range, say 800, is accurate. If everything is correct, I'd be sure you're using the correct absolute pressure from a meter, and not what the local weatherman says. I have Zeiss RF binos, and couldn't seem to get the Zeiss app chart to agree with the RF. I physically knew 800 yards was 12 moa. I was updating with the local weather. That was the problem. Once I used the absolute pressure from the built-in weather station in the RF to the app, every thing agreed.</p></blockquote><p></p>
[QUOTE="azarcher10x, post: 2023964, member: 57286"] Scope height is the most critical measurement for having your chart read correctly, assuming the chronograph is accurate. That measurement will affect close range (under 100) and midrange, even if a long range, say 800, is accurate. If everything is correct, I'd be sure you're using the correct absolute pressure from a meter, and not what the local weatherman says. I have Zeiss RF binos, and couldn't seem to get the Zeiss app chart to agree with the RF. I physically knew 800 yards was 12 moa. I was updating with the local weather. That was the problem. Once I used the absolute pressure from the built-in weather station in the RF to the app, every thing agreed. [/QUOTE]
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Help with a drop chart....
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