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Rifles, Reloading, Optics, Equipment
Reloading
Help with 300 RUM velocity standard deviation
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<blockquote data-quote="youngbuck" data-source="post: 535753" data-attributes="member: 22987"><p>34fps isn't bad at all. It is possible to get below 20fps, on a rare occasion single digits. I dont trust my Chrono to be that accurate to be measuring a .3% difference between a string of 3 or 5 shots. In my experience I don't think you will get a lot lower extreme spread with Retumbo. From what I've found, H1000 gives up a little velocity to Retumbo, but has a lower extreme spread. My 208 Amax in 300RUM have an extreme spread in the low teens most of the time, one one occasion in was near 40fps for 5 shots. You might try H1000, but if it were me, I would stick with what you have. You may find 34fps to be your best or worst in your next few outings.</p></blockquote><p></p>
[QUOTE="youngbuck, post: 535753, member: 22987"] 34fps isn't bad at all. It is possible to get below 20fps, on a rare occasion single digits. I dont trust my Chrono to be that accurate to be measuring a .3% difference between a string of 3 or 5 shots. In my experience I don't think you will get a lot lower extreme spread with Retumbo. From what I've found, H1000 gives up a little velocity to Retumbo, but has a lower extreme spread. My 208 Amax in 300RUM have an extreme spread in the low teens most of the time, one one occasion in was near 40fps for 5 shots. You might try H1000, but if it were me, I would stick with what you have. You may find 34fps to be your best or worst in your next few outings. [/QUOTE]
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Reloading
Help with 300 RUM velocity standard deviation
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