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Rifles, Reloading, Optics, Equipment
Reloading
Best powder for short barreled 308
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<blockquote data-quote="7stw" data-source="post: 796177" data-attributes="member: 22854"><p>Boom tube is correct about the pressure curve. The high presses curve that occurs, which in turn propels your bullet downrange, occurs during the first 4-6 inches of the barrel. The remaining " bleed off" pressure is what continues the push, aided my more barrel length. </p><p>With a shorter barrel, however, faster burning powders do pick up some of the velocity loss, if a slower powder is otherwise used. </p><p>My recommendation, would be, XBR8208, H322, or H335, or 3031. </p><p>I agree with Boomtube . You would need to see a peak pressure curve chart from a pressure Gage equipped rifle. It's amazing what goes on in that milli second in time, and PSI spike. Interesting Stuff!</p><p>PS, another variable on the burn rate of choice, is your twist rate. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="7stw, post: 796177, member: 22854"] Boom tube is correct about the pressure curve. The high presses curve that occurs, which in turn propels your bullet downrange, occurs during the first 4-6 inches of the barrel. The remaining " bleed off" pressure is what continues the push, aided my more barrel length. With a shorter barrel, however, faster burning powders do pick up some of the velocity loss, if a slower powder is otherwise used. My recommendation, would be, XBR8208, H322, or H335, or 3031. I agree with Boomtube . You would need to see a peak pressure curve chart from a pressure Gage equipped rifle. It's amazing what goes on in that milli second in time, and PSI spike. Interesting Stuff! PS, another variable on the burn rate of choice, is your twist rate. :cool: [/QUOTE]
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Reloading
Best powder for short barreled 308
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