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Rifles, Reloading, Optics, Equipment
Reloading
6.5 CM reloading issues....
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<blockquote data-quote="Barrelnut" data-source="post: 1415181" data-attributes="member: 74902"><p>Well it sounds like the load was performing well before the new case lube was used. So the new lube with and slight change in case prep points to the cause.</p><p></p><p>I personally have never experienced those sort of velocity swings due to neck tension. The RCBS dies do overwork the brass though and I would not want to do that with my Lapua brass. I keep my brass separated by the number of firings on it. The neck tension seems to change as the brass has more firings on it. So once fired brass will have slightly different neck tension that twice fired etc. Using the Redding bushing dies and keeping brass sorted by number of firings would help the necks a lot.</p><p></p><p>If you run the loads sized with the RCBS dies and the Redding dies over a chrony, hopefully you will be able to see more consistent velocities, from the Redding dies, in the form of better ES/SD. That would be final proof that the change was worth it. And justify more range time, that's always my goal anyway. LOL. Good Luck.</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1415181, member: 74902"] Well it sounds like the load was performing well before the new case lube was used. So the new lube with and slight change in case prep points to the cause. I personally have never experienced those sort of velocity swings due to neck tension. The RCBS dies do overwork the brass though and I would not want to do that with my Lapua brass. I keep my brass separated by the number of firings on it. The neck tension seems to change as the brass has more firings on it. So once fired brass will have slightly different neck tension that twice fired etc. Using the Redding bushing dies and keeping brass sorted by number of firings would help the necks a lot. If you run the loads sized with the RCBS dies and the Redding dies over a chrony, hopefully you will be able to see more consistent velocities, from the Redding dies, in the form of better ES/SD. That would be final proof that the change was worth it. And justify more range time, that's always my goal anyway. LOL. Good Luck. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6.5 CM reloading issues....
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