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Rifles, Reloading, Optics, Equipment
Reloading
Case Cocentricity
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<blockquote data-quote="J E Custom" data-source="post: 243650" data-attributes="member: 2736"><p>I have minimized this problem by outside neck turning.</p><p></p><p>I know you said you did not want to do that but I found that preping the</p><p>cases and doing a minimum outside turn on the necks made all the difference</p><p>when fired the first time.</p><p></p><p>The dies or the expander cannot true up the thickness varriations in the necks</p><p>so I turn them before the first firing and let the chamber true the case up.</p><p></p><p>After using this process the neck runout is as true as the chamber. Also if you </p><p>outside turn before firing you can check the chamber Cocentricity before resizing</p><p>the brass.</p><p></p><p>I only turn enough to clean up the necks the same. all brass will have some</p><p>differances in neck thickness so I true it up befor I start loading.</p><p></p><p>Just the way I do it and it works for me.</p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 243650, member: 2736"] I have minimized this problem by outside neck turning. I know you said you did not want to do that but I found that preping the cases and doing a minimum outside turn on the necks made all the difference when fired the first time. The dies or the expander cannot true up the thickness varriations in the necks so I turn them before the first firing and let the chamber true the case up. After using this process the neck runout is as true as the chamber. Also if you outside turn before firing you can check the chamber Cocentricity before resizing the brass. I only turn enough to clean up the necks the same. all brass will have some differances in neck thickness so I true it up befor I start loading. Just the way I do it and it works for me. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case Cocentricity
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