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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic mystery, would like your thoughts.....
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<blockquote data-quote="Gustavo" data-source="post: 159949" data-attributes="member: 6"><p>Kirby,</p><p> </p><p>Thanks for your data.</p><p> </p><p>I have some observations. I assumed that you've compared predicted vs. actual in-field scope corrections. Of course I'd be wrong.</p><p> </p><p>1) Which value is the scope using for MOA ?</p><p> </p><p>if it's using 1.0" instead of a TMOA of 1.047" that alone will acount for a 0.5 MOA difference at 925 yards,</p><p> </p><p>2) Changing the ZR will only modify the relationship between the LOS and the LOF. Of course that will not change the trajectory at all ( Real DROP ). Which is another led to think that the issue could be the scope calibration or the SH value or a combination of both.</p><p> </p><p>3) That's why for this type of analysis I prefer to have real Drop data expressed in linear terms. ( inches or cm )</p><p> </p><p>4) Knowing the Total Dispersion at those ranges is an important value to have at hand, since it's hard to assume that group size is minimal.</p></blockquote><p></p>
[QUOTE="Gustavo, post: 159949, member: 6"] Kirby, Thanks for your data. I have some observations. I assumed that you've compared predicted vs. actual in-field scope corrections. Of course I'd be wrong. 1) Which value is the scope using for MOA ? if it's using 1.0" instead of a TMOA of 1.047" that alone will acount for a 0.5 MOA difference at 925 yards, 2) Changing the ZR will only modify the relationship between the LOS and the LOF. Of course that will not change the trajectory at all ( Real DROP ). Which is another led to think that the issue could be the scope calibration or the SH value or a combination of both. 3) That's why for this type of analysis I prefer to have real Drop data expressed in linear terms. ( inches or cm ) 4) Knowing the Total Dispersion at those ranges is an important value to have at hand, since it's hard to assume that group size is minimal. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic mystery, would like your thoughts.....
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