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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC Ballistics - drops don’t match ballistics chart
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<blockquote data-quote="dfanonymous" data-source="post: 1744611" data-attributes="member: 97050"><p>There's a lot to it when you really get into. </p><p>Your charts are always a prediction (key word) to drop. Mathematics do not take into consideration: human error, and changing conditions. </p><p></p><p>Human error can be broken down to info put in into ballistic software, technique in shooting or affecting the harmonics of the gun. </p><p></p><p>Changing condition can be node changes on a cold barrel, environmental or bore conditions, ammo etc.</p><p></p><p>Next is even if your chrono is a magnetospeed or labradar and your bc is taken off the box, doesn't mean that any of it is without errors. Hence why everything needs to be verified and trued to meet real world results. </p><p></p><p>The bullet doesn't lie. It's better to true out to 700-800 yards and work your way back in. Then again we'll beyond 1000 in my opinion. </p><p>Lastly, taking accurate environmental readings is also important to assist in quantifying your charts.</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 1744611, member: 97050"] There’s a lot to it when you really get into. Your charts are always a prediction (key word) to drop. Mathematics do not take into consideration: human error, and changing conditions. Human error can be broken down to info put in into ballistic software, technique in shooting or affecting the harmonics of the gun. Changing condition can be node changes on a cold barrel, environmental or bore conditions, ammo etc. Next is even if your chrono is a magnetospeed or labradar and your bc is taken off the box, doesn't mean that any of it is without errors. Hence why everything needs to be verified and trued to meet real world results. The bullet doesn’t lie. It’s better to true out to 700-800 yards and work your way back in. Then again we’ll beyond 1000 in my opinion. Lastly, taking accurate environmental readings is also important to assist in quantifying your charts. [/QUOTE]
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6.5 PRC Ballistics - drops don’t match ballistics chart
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