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Hunting
Long Range Hunting & Shooting
has anyone used us869 powder?
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<blockquote data-quote="royinidaho" data-source="post: 1038290" data-attributes="member: 2011"><p>Either with 1 pound bottles or 8 pound bottles if the lot number the powder is different.</p><p></p><p>If the new lot is hotter and its 100* ya pop primers and ruin cases.</p><p></p><p>If the new lot is slower, velocity is lost. Something a fella can't tolerate.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Ballistic software usually has a FPS/degree F calculation which helps with LR shooting but with the poor ES it's pretty much a moot point.</p><p></p><p>Google on "burn rate charts". Hawks or someone did discussion about them.</p><p></p><p>Bottom line is that burn rate charts aren't worth the paper they are written on, he says.</p><p></p><p>I use them for ball park, between the ears get-go calculations.</p><p></p><p>I've found 869 when compared to 50BMG to swap burn rates when loading different cartridges where there is similar case capacity but way different calibers. As with 7 RUM and 338 RUM with heavy bullets.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 1038290, member: 2011"] Either with 1 pound bottles or 8 pound bottles if the lot number the powder is different. If the new lot is hotter and its 100* ya pop primers and ruin cases. If the new lot is slower, velocity is lost. Something a fella can't tolerate.:D Ballistic software usually has a FPS/degree F calculation which helps with LR shooting but with the poor ES it's pretty much a moot point. Google on "burn rate charts". Hawks or someone did discussion about them. Bottom line is that burn rate charts aren't worth the paper they are written on, he says. I use them for ball park, between the ears get-go calculations. I've found 869 when compared to 50BMG to swap burn rates when loading different cartridges where there is similar case capacity but way different calibers. As with 7 RUM and 338 RUM with heavy bullets. [/QUOTE]
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has anyone used us869 powder?
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