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Rifles, Reloading, Optics, Equipment
Reloading
Cold temp caused faster speeds
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<blockquote data-quote="memtb" data-source="post: 1775961" data-attributes="member: 75451"><p>I had a similar occurrence using RL 17 in my .375 AI. I do all of my load work on hot days .....preferably 90+ F. The thought being....if I load to max on a cool day, then have a hot weather hunt, I won't have a high pressure issue. </p><p></p><p> Several years ago (during the winter) there was quite a discussion about the temperature sensitivity of RL 17. So, I performed a test. The daytime highs that day were 4 F. I left the rifle and ammunition out for a couple of hours, to settle in at the ambient temperature. When my shooting was complete, my average velocity was 8 fps faster, with comparable shot velocity spread.... than when the load was developed on a hot day! Go figure! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> memtb</p></blockquote><p></p>
[QUOTE="memtb, post: 1775961, member: 75451"] I had a similar occurrence using RL 17 in my .375 AI. I do all of my load work on hot days .....preferably 90+ F. The thought being....if I load to max on a cool day, then have a hot weather hunt, I won’t have a high pressure issue. Several years ago (during the winter) there was quite a discussion about the temperature sensitivity of RL 17. So, I performed a test. The daytime highs that day were 4 F. I left the rifle and ammunition out for a couple of hours, to settle in at the ambient temperature. When my shooting was complete, my average velocity was 8 fps faster, with comparable shot velocity spread.... than when the load was developed on a hot day! Go figure! :) memtb [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cold temp caused faster speeds
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