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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Chronographs: What to do?
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<blockquote data-quote="ilc" data-source="post: 1798742" data-attributes="member: 97996"><p>Yes, you always need to validate your drop at long range. There are too many variables at play, including muzzle velocity, ballistic coefficient, temperature, pressure, altitude etc. Published BCs may not be reliable, and the other factors can vary from hour to hour. You can true your trajectory by varying all these in your ballistics program, including BC.</p></blockquote><p></p>
[QUOTE="ilc, post: 1798742, member: 97996"] Yes, you always need to validate your drop at long range. There are too many variables at play, including muzzle velocity, ballistic coefficient, temperature, pressure, altitude etc. Published BCs may not be reliable, and the other factors can vary from hour to hour. You can true your trajectory by varying all these in your ballistics program, including BC. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Chronographs: What to do?
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