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Hunting
Long Range Hunting & Shooting
Powder charge .3gr over or under.
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<blockquote data-quote="Ckleeves" data-source="post: 2282508" data-attributes="member: 83259"><p>Pretty easy way to get a ballpark idea on it, load 9 rounds, 3 that are .3 under, 3 at your normal load and 3 at .3 over. Shoot them over the chronograph and record the numbers. Run those numbers thru whatever app your using and see what the vertical difference is at 1000 yards between the average FPS of the 3 low charges and the 3 high charges. The 3 "normal" charges are your control to see what your average FPS should be.</p></blockquote><p></p>
[QUOTE="Ckleeves, post: 2282508, member: 83259"] Pretty easy way to get a ballpark idea on it, load 9 rounds, 3 that are .3 under, 3 at your normal load and 3 at .3 over. Shoot them over the chronograph and record the numbers. Run those numbers thru whatever app your using and see what the vertical difference is at 1000 yards between the average FPS of the 3 low charges and the 3 high charges. The 3 “normal” charges are your control to see what your average FPS should be. [/QUOTE]
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Hunting
Long Range Hunting & Shooting
Powder charge .3gr over or under.
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