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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Full Length or Neck Only; What's Best Resizing for Accuracy?
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<blockquote data-quote="J E Custom" data-source="post: 1818517" data-attributes="member: 2736"><p>My reason for turning the necks before firing is because the thickness Of the necks are never exactly the same all the way around. So I use a sizing mandrel to make the turning mandrel fit the neck perfectly and then turn the necks to uniform thickness before the chamber offsets the neck bore by half the difference in the neck thickness.</p><p></p><p>If I turn them before they are fired, (New) they will be concentric with the bore after firing, instead of the outside of the neck being concentric the the neck chamber and not with the bore. After I use this procedure, everything will be concentric, the out side of the case and the inside of the neck.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1818517, member: 2736"] My reason for turning the necks before firing is because the thickness Of the necks are never exactly the same all the way around. So I use a sizing mandrel to make the turning mandrel fit the neck perfectly and then turn the necks to uniform thickness before the chamber offsets the neck bore by half the difference in the neck thickness. If I turn them before they are fired, (New) they will be concentric with the bore after firing, instead of the outside of the neck being concentric the the neck chamber and not with the bore. After I use this procedure, everything will be concentric, the out side of the case and the inside of the neck. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Full Length or Neck Only; What's Best Resizing for Accuracy?
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