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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does powder produce more pressure in really cold temps?
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<blockquote data-quote="MudRunner2005" data-source="post: 918419" data-attributes="member: 12995"><p>I could be wrong, but I believe powder & case pressures increase when ambient temperature increases.</p><p> </p><p>However, H1000 is not as temp stable as they say it is. My STW loads during the winter time are spot-on...During the summer, the accuracy goes haywire. So I have to adjust my load.</p><p> </p><p>I have found that IMR 7828 SSC seems to be a nice all-weather powder, and not very finicky. Same goes for Alliant Reloder 19 & 22. For .308 based calibers Varget is always the way to go.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 918419, member: 12995"] I could be wrong, but I believe powder & case pressures increase when ambient temperature increases. However, H1000 is not as temp stable as they say it is. My STW loads during the winter time are spot-on...During the summer, the accuracy goes haywire. So I have to adjust my load. I have found that IMR 7828 SSC seems to be a nice all-weather powder, and not very finicky. Same goes for Alliant Reloder 19 & 22. For .308 based calibers Varget is always the way to go. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Does powder produce more pressure in really cold temps?
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