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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question for S1
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<blockquote data-quote="Brent" data-source="post: 26391" data-attributes="member: 99"><p>mbianchini,</p><p></p><p>Looking at your data real closely, I'd guess you shot the first ones from a clean, cold barrel because the velocity is a bit lower, just a guess. </p><p></p><p>The next group looks like the barrel was a little bit warmer and moved the pressure up and velocity with it.</p><p></p><p>The third group looks like dropping back a grain brought it back down with a more of a stable fouled barrel... again, just a guess.</p><p></p><p>Without knowing exactly how you shot these loads, cleaning and all that, it's pretty hard to tell why you got a big spread there.</p><p></p><p>RL25 and RL22 have worked great for me, but pressure and velocity is always down for the first couple shots on a clean barrel. </p><p></p><p>A 6 degree temp swing isn't nothin, I been shooting this stuff from 10 degrees up to 45 degrees with no noticable change in MV at all.</p></blockquote><p></p>
[QUOTE="Brent, post: 26391, member: 99"] mbianchini, Looking at your data real closely, I'd guess you shot the first ones from a clean, cold barrel because the velocity is a bit lower, just a guess. The next group looks like the barrel was a little bit warmer and moved the pressure up and velocity with it. The third group looks like dropping back a grain brought it back down with a more of a stable fouled barrel... again, just a guess. Without knowing exactly how you shot these loads, cleaning and all that, it's pretty hard to tell why you got a big spread there. RL25 and RL22 have worked great for me, but pressure and velocity is always down for the first couple shots on a clean barrel. A 6 degree temp swing isn't nothin, I been shooting this stuff from 10 degrees up to 45 degrees with no noticable change in MV at all. [/QUOTE]
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Question for S1
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