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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Drop Chart Questions
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<blockquote data-quote="Skinny Shooter" data-source="post: 25410" data-attributes="member: 716"><p>This a great resource, thanks ya'll.</p><p>My passion is shooting skinnys (groundhogs). Out beyond 400 yards they start getting small, especially the jr. skinnys in Spring so knowing where thy bullet will impact is critical.</p><p>I have read that many of you use a computer program to generate your drop charts and are successful with it.</p><p>Had been using a Sierra program in the past to caculate drop for a 22-250.</p><p>How important is it to know humidity, altitude and temp for any caliber drop chart?</p><p>My .267BC 55gr BT at 3625fps would drop more at 400 yards than my chart indicated (20" which should be 5MOA from a 100yd Zero) and would have to spin the dial for a 500 yard setting to get near the target.</p><p>I was starting to give up on computer generated charts.</p><p>I downloaded PointBlank and thought I would try that.</p><p>This Spring I want to try out a new Starke bullet, the 150gr Red Prairie in my 308. It's supposed to have a BC of .400 but that seems very idealistic to me.</p><p>Thanx.</p><p></p><p>[ 02-13-2003: Message edited by: Skinny Shooter ]</p></blockquote><p></p>
[QUOTE="Skinny Shooter, post: 25410, member: 716"] This a great resource, thanks ya'll. My passion is shooting skinnys (groundhogs). Out beyond 400 yards they start getting small, especially the jr. skinnys in Spring so knowing where thy bullet will impact is critical. I have read that many of you use a computer program to generate your drop charts and are successful with it. Had been using a Sierra program in the past to caculate drop for a 22-250. How important is it to know humidity, altitude and temp for any caliber drop chart? My .267BC 55gr BT at 3625fps would drop more at 400 yards than my chart indicated (20" which should be 5MOA from a 100yd Zero) and would have to spin the dial for a 500 yard setting to get near the target. I was starting to give up on computer generated charts. I downloaded PointBlank and thought I would try that. This Spring I want to try out a new Starke bullet, the 150gr Red Prairie in my 308. It's supposed to have a BC of .400 but that seems very idealistic to me. Thanx. [ 02-13-2003: Message edited by: Skinny Shooter ] [/QUOTE]
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Drop Chart Questions
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