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Rifles, Reloading, Optics, Equipment
Reloading
28 Nosler - Ladder Test Results
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<blockquote data-quote="MagnumManiac" data-source="post: 1454547" data-attributes="member: 10755"><p>As your ladder points to 2 nodes, testing both in the middle load and varying .2-.3gr above that, depending on cartridge of course, is where you will find your node. The Nosler case could easily hold a .3gr variance due to it's size, but use .2gr to be precise.</p><p>The softer node is often the wider one, as has been stated, so if either show a tendency to not change or flatten out in velocity with a .2-.3gr variance, then the upper node my not be anywhere near max pressure.</p><p>I did note you said you got ejector marks at 83gr, so a 1gr or a little less reduction from this may not be the answer in getting a wide node.</p><p>My 32" 300WM barrel likes a load right at 65,000psi, the brass doesn't so I selected the next lower node that is .5gr stable right out past 1200mtrs.</p><p>I can actually reduce or increase the charge .3gr without issue, this is what to look for in a node. The ladder showed a horizontal line for all shots .5gr +/- of the middle load @ 600mtrs. Even @ 1000mtrs the vertical is spot on, wind is another factor however.</p><p>This particular load has an ES of 8 and a SD 2.6 over 20 rounds fired in differing conditions even if there is a .1gr variance in charge weight. I don't even weigh the charge, just throw it from my measure.</p><p></p><p>Edit to add:</p><p>Mike338 posted as I was typing....beat me to the punch.</p><p></p><p>Cheers.</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1454547, member: 10755"] As your ladder points to 2 nodes, testing both in the middle load and varying .2-.3gr above that, depending on cartridge of course, is where you will find your node. The Nosler case could easily hold a .3gr variance due to it’s size, but use .2gr to be precise. The softer node is often the wider one, as has been stated, so if either show a tendency to not change or flatten out in velocity with a .2-.3gr variance, then the upper node my not be anywhere near max pressure. I did note you said you got ejector marks at 83gr, so a 1gr or a little less reduction from this may not be the answer in getting a wide node. My 32” 300WM barrel likes a load right at 65,000psi, the brass doesn’t so I selected the next lower node that is .5gr stable right out past 1200mtrs. I can actually reduce or increase the charge .3gr without issue, this is what to look for in a node. The ladder showed a horizontal line for all shots .5gr +/- of the middle load @ 600mtrs. Even @ 1000mtrs the vertical is spot on, wind is another factor however. This particular load has an ES of 8 and a SD 2.6 over 20 rounds fired in differing conditions even if there is a .1gr variance in charge weight. I don’t even weigh the charge, just throw it from my measure. Edit to add: Mike338 posted as I was typing....beat me to the punch. Cheers. :) [/QUOTE]
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28 Nosler - Ladder Test Results
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