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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 Rem mag powder with 143 gr Hammer?
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<blockquote data-quote="Veteran" data-source="post: 2511224" data-attributes="member: 118038"><p>Great Data. Nice Chart. I noticed you and another poster both alluded to RL 26 becoming unstable over 85 deg F. I have personally seen that.</p><p>I developed some loads in Michigan in moderate temps, and was shooting them in Texas in 95 plus temps in .338 LM. Velocities were very scary. 250 gr scenars at 3300 fps.....Im pretty sure that the psi was 70,000 plus.....scary.....shut that down quick of course.</p><p></p><p>Of the Vihtavuori powders, I believe that only N565 and N568 and maybe N570 are advertised as temp</p><p>stable. They may say N560 is temp stable but in 90 plus weather it does not act stable.</p><p></p><p>My experience.</p></blockquote><p></p>
[QUOTE="Veteran, post: 2511224, member: 118038"] Great Data. Nice Chart. I noticed you and another poster both alluded to RL 26 becoming unstable over 85 deg F. I have personally seen that. I developed some loads in Michigan in moderate temps, and was shooting them in Texas in 95 plus temps in .338 LM. Velocities were very scary. 250 gr scenars at 3300 fps.....Im pretty sure that the psi was 70,000 plus.....scary.....shut that down quick of course. Of the Vihtavuori powders, I believe that only N565 and N568 and maybe N570 are advertised as temp stable. They may say N560 is temp stable but in 90 plus weather it does not act stable. My experience. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7 Rem mag powder with 143 gr Hammer?
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