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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Remington Ultra Mag load data desired
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<blockquote data-quote="Steve Shelp" data-source="post: 20987" data-attributes="member: 22"><p>Dave,</p><p> Just a suggestion for you.... I've had much beter grouping and chrono numbers using 210 primers over the 215 primers in my 338 Lapua Improved. Have fired the 210 primer as low as 40F. In really cold weather I don't have the experience/data. In my 338 Yogi case I've had better luck using H1000 over R25. R25 SD was close to 40-50fps min/max variation. H1000 is low to mid teens. </p><p></p><p>Granted the RUM is a little different shape case and different volume so this isn't a 1-to-1 comparison. Just thought I would throw this out for your information.</p><p></p><p>have you water volumed aany of your cases? If so I would be curious to know what it comes out as. My case is 120.5gr of H2O. This is with the water being level with the top of the neck and an inverted primer cup seated in the primer pocket.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 20987, member: 22"] Dave, Just a suggestion for you.... I've had much beter grouping and chrono numbers using 210 primers over the 215 primers in my 338 Lapua Improved. Have fired the 210 primer as low as 40F. In really cold weather I don't have the experience/data. In my 338 Yogi case I've had better luck using H1000 over R25. R25 SD was close to 40-50fps min/max variation. H1000 is low to mid teens. Granted the RUM is a little different shape case and different volume so this isn't a 1-to-1 comparison. Just thought I would throw this out for your information. have you water volumed aany of your cases? If so I would be curious to know what it comes out as. My case is 120.5gr of H2O. This is with the water being level with the top of the neck and an inverted primer cup seated in the primer pocket. Steve [/QUOTE]
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338 Remington Ultra Mag load data desired
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