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Rifles, Reloading, Optics, Equipment
Reloading
Dusty Rounds Moving Faster
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<blockquote data-quote="jrock" data-source="post: 1990695" data-attributes="member: 78569"><p>Originally, the barrel had ~50 rounds down it. I pulled all the bullets, dropped a grain of powder, and cleaned the barrel. I do swab the chamber out. Next time out, I fired two shots and velocity and pressure were still too high. I did see 30 fps more speed on the first shot with a clean bore, which I have mapped to be normal for a clean bore first shot. </p><p>I pulled bullets, and dropped 0.5 grains which I think will get me into the velocity pressure range I'm looking for. If it proves good, then whatever is happening is causing pressure signs equivalent to 1.5 grains over pressure!</p></blockquote><p></p>
[QUOTE="jrock, post: 1990695, member: 78569"] Originally, the barrel had ~50 rounds down it. I pulled all the bullets, dropped a grain of powder, and cleaned the barrel. I do swab the chamber out. Next time out, I fired two shots and velocity and pressure were still too high. I did see 30 fps more speed on the first shot with a clean bore, which I have mapped to be normal for a clean bore first shot. I pulled bullets, and dropped 0.5 grains which I think will get me into the velocity pressure range I'm looking for. If it proves good, then whatever is happening is causing pressure signs equivalent to 1.5 grains over pressure! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Dusty Rounds Moving Faster
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