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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Questions about my drop chart
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<blockquote data-quote="338 dude" data-source="post: 1848996" data-attributes="member: 106967"><p>As stated earlier it's garbage in garbage out first off make sure all your bullet information is correct and precise use a G7 BC also I run Shooter ballistics because I can run multiple BC's a lot of apps only take one average and then as far as trueing your data which must be done at greater distances you will see as the velocity drops your BC goes up this may be your problem if you have a chronograph you know your correct speed at the muzzle the app will adjust to speed at different distances but you must use the correct BC for that distance which is why I run multiple BC's this photo is from Bryan Litz his book ballistic performance of rifle bullets 3'rd edition compare it to the data on your bullet make sure everything is correct[ATTACH=full]180270[/ATTACH]</p></blockquote><p></p>
[QUOTE="338 dude, post: 1848996, member: 106967"] As stated earlier it’s garbage in garbage out first off make sure all your bullet information is correct and precise use a G7 BC also I run Shooter ballistics because I can run multiple BC’s a lot of apps only take one average and then as far as trueing your data which must be done at greater distances you will see as the velocity drops your BC goes up this may be your problem if you have a chronograph you know your correct speed at the muzzle the app will adjust to speed at different distances but you must use the correct BC for that distance which is why I run multiple BC’s this photo is from Bryan Litz his book ballistic performance of rifle bullets 3’rd edition compare it to the data on your bullet make sure everything is correct[ATTACH type="full"]180270[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Questions about my drop chart
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