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Hunting
Long Range Hunting & Shooting
Scope leveling idea
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<blockquote data-quote="Jeffpatton00" data-source="post: 1973934" data-attributes="member: 97649"><p>And we'd still be assuming that the top surface of the rifle's pic rail was perfectly manufactured to be perpendicular to that center-to-center line between the scope and bore. However, since the pic rail is some distance above the bore's centerline, any cant at all will introduce windage, and that'll be amplified at longer distance. I do think that if I hang a plumb line, have the reticle's vertical axis perfectly superimposed on that plumb line, and also have the plumb line bisect the image as seen through the bore, then we'd be measuring the critical parameters directly without making assumptions about things done right (or wrong) in the rifle or scope manufacturing processes.</p></blockquote><p></p>
[QUOTE="Jeffpatton00, post: 1973934, member: 97649"] And we'd still be assuming that the top surface of the rifle's pic rail was perfectly manufactured to be perpendicular to that center-to-center line between the scope and bore. However, since the pic rail is some distance above the bore's centerline, any cant at all will introduce windage, and that'll be amplified at longer distance. I do think that if I hang a plumb line, have the reticle's vertical axis perfectly superimposed on that plumb line, and also have the plumb line bisect the image as seen through the bore, then we'd be measuring the critical parameters directly without making assumptions about things done right (or wrong) in the rifle or scope manufacturing processes. [/QUOTE]
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