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Rifles, Reloading, Optics, Equipment
Reloading
Large rifle primers
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<blockquote data-quote="jpndave" data-source="post: 2783006" data-attributes="member: 5437"><p>He is talking about needing the extra heat from the hotter primers in cold temperatures. When you got freezing temperatures down there the whole state shut down. Where we hunt, that may be the high temp. What lights off that big powder column at a low of 70 degrees may hang pretty seriously at 5 degrees which is completely possible where we hunt, maybe even lower on late season at altitude. The reverse is also true. If I tune a load that is pushing "safe" at 5k ft and 50 degrees then take that same load to 90 degrees and sea level may blow the gun.</p><p></p><p>I'm not trusting a standard primer in my 300 PRC, any of the magnums or even my 7 PRC. When I send it, it needs to go even if sub zero temps. I will stick with the 215M or CCI 250 for large rifle in those bigger cases and the 450 or 7-1/2 in the small primer Creeds, etc. If it works for you in your situation, awesome. That may not be the case everywhere.</p></blockquote><p></p>
[QUOTE="jpndave, post: 2783006, member: 5437"] He is talking about needing the extra heat from the hotter primers in cold temperatures. When you got freezing temperatures down there the whole state shut down. Where we hunt, that may be the high temp. What lights off that big powder column at a low of 70 degrees may hang pretty seriously at 5 degrees which is completely possible where we hunt, maybe even lower on late season at altitude. The reverse is also true. If I tune a load that is pushing "safe" at 5k ft and 50 degrees then take that same load to 90 degrees and sea level may blow the gun. I'm not trusting a standard primer in my 300 PRC, any of the magnums or even my 7 PRC. When I send it, it needs to go even if sub zero temps. I will stick with the 215M or CCI 250 for large rifle in those bigger cases and the 450 or 7-1/2 in the small primer Creeds, etc. If it works for you in your situation, awesome. That may not be the case everywhere. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Large rifle primers
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