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Hunting
Extreme Long Range Hunting & Shooting (ELR)
What Variable to change Wen truing my Weapon at Extended Ranges
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<blockquote data-quote="royinidaho" data-source="post: 895637" data-attributes="member: 2011"><p>It may well take a little of both.</p><p></p><p>If you are fine tuning, which is clay birds to beyond 1K, you'll find your muzzle velocity will not be what your chony says it is and your bc will not be what is published.</p><p></p><p>Different barrels have slightly different bc values so if you and your buddy are shooting the same bullet in the same cartridge using the same bc will get you close but is that close enough?</p><p></p><p>Another input to be concerned with is the difference between line of bore and line of sight that is, sight height. If your scope base isn't canted this can be measured. If canted, measure then calculate the fudge factor. </p><p></p><p>Bringing at least these things into alignment will get you where you want to be.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 895637, member: 2011"] It may well take a little of both. If you are fine tuning, which is clay birds to beyond 1K, you'll find your muzzle velocity will not be what your chony says it is and your bc will not be what is published. Different barrels have slightly different bc values so if you and your buddy are shooting the same bullet in the same cartridge using the same bc will get you close but is that close enough? Another input to be concerned with is the difference between line of bore and line of sight that is, sight height. If your scope base isn't canted this can be measured. If canted, measure then calculate the fudge factor. Bringing at least these things into alignment will get you where you want to be. [/QUOTE]
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What Variable to change Wen truing my Weapon at Extended Ranges
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