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Hunting
Long Range Hunting & Shooting
Need help, Sudden elevation drop at 300
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<blockquote data-quote="Michael Eichele" data-source="post: 880282" data-attributes="member: 1007"><p>I'm curious as to what powders you've seen 3 FPS per degree of temp changes. I cannot Phathom 90 FPS changes from 30 degrees. I'm also fortunate to live where I get to test loads in sub zero temps and compare them against loads that are 80-100 degrees. I've actually compared some as cold as -20 against 90 degrees. The results have been quite shocking. Much less than I ever would have thought. At least with RL powders and H extreme powders. Never tested ball powders that way. Double base powders have been more sensitive. Like .65 FPS per degree. To me, that's quite a bit. I'm always hearing how bad RL powders are and I still don't get it. R15, 19, 22 and 25 for me have shown to be very minimal. As good or better than the H extreme powders. R17 is a bit different. But then again, it's a true double base powder.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 880282, member: 1007"] I'm curious as to what powders you've seen 3 FPS per degree of temp changes. I cannot Phathom 90 FPS changes from 30 degrees. I'm also fortunate to live where I get to test loads in sub zero temps and compare them against loads that are 80-100 degrees. I've actually compared some as cold as -20 against 90 degrees. The results have been quite shocking. Much less than I ever would have thought. At least with RL powders and H extreme powders. Never tested ball powders that way. Double base powders have been more sensitive. Like .65 FPS per degree. To me, that's quite a bit. I'm always hearing how bad RL powders are and I still don't get it. R15, 19, 22 and 25 for me have shown to be very minimal. As good or better than the H extreme powders. R17 is a bit different. But then again, it's a true double base powder. [/QUOTE]
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Need help, Sudden elevation drop at 300
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