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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: 1845963" data-attributes="member: 2736"><p>What I am trying to do is prevent the chamber from offsetting the inside of the neck buy the amount of the thickness difference. The chamber should be very concentric and when fired the case will take on the chamber shape and can move the case center.</p><p></p><p>If you turned the neck after the first firing the second firing would be necessary to realign the outside of the neck and a third shot would be the first loaded concentric case. This is what happens when you use once fired brass, and you need to prep it so in the end it will have been fired twice before it is concentric. New brass is once fired when concentrically loaded.</p><p></p><p>This is also the reason I anneal once fired brass before I Prep it. (It seems to fire form in an annealed state. So yes you can do it on the second firing, but you save one firing of the case before starting load development. Many times I have found loads that were very accurate during the second loading and was able to hunt with the remaining loads.</p><p></p><p>Concentric ammo always shoots better, so why not start with as good as you can get.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1845963, member: 2736"] What I am trying to do is prevent the chamber from offsetting the inside of the neck buy the amount of the thickness difference. The chamber should be very concentric and when fired the case will take on the chamber shape and can move the case center. If you turned the neck after the first firing the second firing would be necessary to realign the outside of the neck and a third shot would be the first loaded concentric case. This is what happens when you use once fired brass, and you need to prep it so in the end it will have been fired twice before it is concentric. New brass is once fired when concentrically loaded. This is also the reason I anneal once fired brass before I Prep it. (It seems to fire form in an annealed state. So yes you can do it on the second firing, but you save one firing of the case before starting load development. Many times I have found loads that were very accurate during the second loading and was able to hunt with the remaining loads. Concentric ammo always shoots better, so why not start with as good as you can get. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Full Length or Neck Only; What's Best Resizing for Accuracy?
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