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Rifles, Reloading, Optics, Equipment
Reloading
HELP WITH SATERLEE VELOCITY TEST
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<blockquote data-quote="User4302021" data-source="post: 1958293" data-attributes="member: 105322"><p>OCW maps gross barrel harmonics, it has little to do with ES, SD, or any other measure of velocity.</p><p></p><p>If you have ever shot an Audette ladder at distance, you have seen the exact same barrel harmonics show up on the target. The POI moves up and down as well, it is just harder to read and has much more noise to sort out of it.</p><p></p><p>Any field shooter would do just as well to work up till they find pressure, then back off a safe amount, and adjust seating depth until the group comes together. There is a range where the powder is burning optimally, and that is typically anywhere within 1.5%-2% of max charge.</p></blockquote><p></p>
[QUOTE="User4302021, post: 1958293, member: 105322"] OCW maps gross barrel harmonics, it has little to do with ES, SD, or any other measure of velocity. If you have ever shot an Audette ladder at distance, you have seen the exact same barrel harmonics show up on the target. The POI moves up and down as well, it is just harder to read and has much more noise to sort out of it. Any field shooter would do just as well to work up till they find pressure, then back off a safe amount, and adjust seating depth until the group comes together. There is a range where the powder is burning optimally, and that is typically anywhere within 1.5%-2% of max charge. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
HELP WITH SATERLEE VELOCITY TEST
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