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Hunting
Long Range Hunting & Shooting
Different State - POI Change....is this normal?
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<blockquote data-quote="JDD" data-source="post: 1633899" data-attributes="member: 102774"><p>It's a old school rule dealing with bullet profiles similar to 175 gr .308 match kings. The 20 degree change result in a change of air density. I can t get a ballistic program to mimic it either since I don t have a clue what to change air density to. The higher the bc of the bullet the less the effect since the eld profiles are by design resist drag. Look back to the post showing the formula from the police sniper manual. I have seen it on the range to a greater or lesser degree</p></blockquote><p></p>
[QUOTE="JDD, post: 1633899, member: 102774"] It’s a old school rule dealing with bullet profiles similar to 175 gr .308 match kings. The 20 degree change result in a change of air density. I can t get a ballistic program to mimic it either since I don t have a clue what to change air density to. The higher the bc of the bullet the less the effect since the eld profiles are by design resist drag. Look back to the post showing the formula from the police sniper manual. I have seen it on the range to a greater or lesser degree [/QUOTE]
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Different State - POI Change....is this normal?
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