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Rifles, Reloading, Optics, Equipment
Reloading
Cold temp caused faster speeds
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<blockquote data-quote="Dean2" data-source="post: 2065285" data-attributes="member: 26077"><p>Interesting read, lots of fancy and arcane reasons posited for this happening. I can tell you what we found for an easy cure, Try running magnum primers and if you are using magnum now step up to a hotter one. My guess is that the cold weather slows ignition, and it slows it a whole bunch at -40, and allows more build up of pressure, but that is just a guess. I do know that running hotter primers fixes it 90% of the time. I will add however that if 30 FPS increase in velocity is going from good to sticky bolt then you are already too close to max for a hunting load.</p></blockquote><p></p>
[QUOTE="Dean2, post: 2065285, member: 26077"] Interesting read, lots of fancy and arcane reasons posited for this happening. I can tell you what we found for an easy cure, Try running magnum primers and if you are using magnum now step up to a hotter one. My guess is that the cold weather slows ignition, and it slows it a whole bunch at -40, and allows more build up of pressure, but that is just a guess. I do know that running hotter primers fixes it 90% of the time. I will add however that if 30 FPS increase in velocity is going from good to sticky bolt then you are already too close to max for a hunting load. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cold temp caused faster speeds
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