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Rifles, Reloading, Optics, Equipment
Reloading
Question on verifying velocity
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<blockquote data-quote="J E Custom" data-source="post: 1905674" data-attributes="member: 2736"><p>This phenomenon is not unusual because of so many variables in conditions and bullet BC's.</p><p></p><p>Good Chronographs are normally very accurate, But BC's can vary for many reasons and shooting 100 to 600 yards plus and developing a drop chart based on 100 yard increments Is really the only way to get accurate ballistics over the full range of velocities. You can plug in different BC's until the drop chart matches, and get the actual BC under your conditions. (Altitude, Humidity, temperature,ETC.</p><p></p><p>Once you get The true BC and a good velocity, You can use it for all distance calculations. Being fair to the bullet makers, They normally base their listed BC's on a Medium altitude, Temperature and humidity. It will be an average, and will change if any of the parameters change. </p><p></p><p>Some do pick the optimum conditions so they get the highest Numbers but not all so we have to prove what the BC is where we hunt/shoot. So no matter what your numbers say, the drop chart is still the best way to get the required MOA or Mils at different distances in my opinion.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1905674, member: 2736"] This phenomenon is not unusual because of so many variables in conditions and bullet BC's. Good Chronographs are normally very accurate, But BC's can vary for many reasons and shooting 100 to 600 yards plus and developing a drop chart based on 100 yard increments Is really the only way to get accurate ballistics over the full range of velocities. You can plug in different BC's until the drop chart matches, and get the actual BC under your conditions. (Altitude, Humidity, temperature,ETC. Once you get The true BC and a good velocity, You can use it for all distance calculations. Being fair to the bullet makers, They normally base their listed BC's on a Medium altitude, Temperature and humidity. It will be an average, and will change if any of the parameters change. Some do pick the optimum conditions so they get the highest Numbers but not all so we have to prove what the BC is where we hunt/shoot. So no matter what your numbers say, the drop chart is still the best way to get the required MOA or Mils at different distances in my opinion. J E CUSTOM [/QUOTE]
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Question on verifying velocity
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