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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Caution in the cold
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<blockquote data-quote="ajkellerusmc" data-source="post: 1564325" data-attributes="member: 108702"><p>I live in AZ and I had some 338 Lapua hand loads, 1 grain below maximum with Retumbo that I shot at 7500 ft elevation in 70 degree conditions last summer that were normal with easy bolt lift and no flat primers or ejector marks on the case heads.</p><p></p><p> I then tried to shoot the same loads in phoenix at 110 degrees and had stuck cases and torn off case rims by the extractor. I shot 2 rounds and stopped! Is the problem about pressure with heat or cold or both? And which is Worse?</p></blockquote><p></p>
[QUOTE="ajkellerusmc, post: 1564325, member: 108702"] I live in AZ and I had some 338 Lapua hand loads, 1 grain below maximum with Retumbo that I shot at 7500 ft elevation in 70 degree conditions last summer that were normal with easy bolt lift and no flat primers or ejector marks on the case heads. I then tried to shoot the same loads in phoenix at 110 degrees and had stuck cases and torn off case rims by the extractor. I shot 2 rounds and stopped! Is the problem about pressure with heat or cold or both? And which is Worse? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Caution in the cold
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