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Rifles, Reloading, Optics, Equipment
Reloading
Adjusting Muzzle Velocity to Correct Ballistics Chart
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<blockquote data-quote="Scot E" data-source="post: 1136989" data-attributes="member: 10832"><p>Most ballistic apps have trajectory calibration tools that eliminates any error you may find in a chrony.</p><p></p><p>Last year I went to help a buddy gather drop numbers for his new load and forgot my chrony. Instead of calling it a wasted day we estimated what we thought the fps would be based off of other guns and our experience with them, then calibrated it at 600 and 750 yards. We were off by 75 fps, didn't subtract enough for his shorter barrel, but one fix in the ballistic app and we were golden. </p><p></p><p>Most guys are going to be verifying their drops at distance anyway so plugging in those drop numbers to get corrected velocity is easy, simple, fast, and very accurate. </p><p></p><p>If you are running spin drift, Coriolis, and atmospheric conditions and you trajectory validate, every ballistic app I have used is very close to the same for outputs in my experience.</p></blockquote><p></p>
[QUOTE="Scot E, post: 1136989, member: 10832"] Most ballistic apps have trajectory calibration tools that eliminates any error you may find in a chrony. Last year I went to help a buddy gather drop numbers for his new load and forgot my chrony. Instead of calling it a wasted day we estimated what we thought the fps would be based off of other guns and our experience with them, then calibrated it at 600 and 750 yards. We were off by 75 fps, didn't subtract enough for his shorter barrel, but one fix in the ballistic app and we were golden. Most guys are going to be verifying their drops at distance anyway so plugging in those drop numbers to get corrected velocity is easy, simple, fast, and very accurate. If you are running spin drift, Coriolis, and atmospheric conditions and you trajectory validate, every ballistic app I have used is very close to the same for outputs in my experience. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Adjusting Muzzle Velocity to Correct Ballistics Chart
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