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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="azarcher10x" data-source="post: 1804040" data-attributes="member: 57286"><p>One thing that worked out for me, was going from just a neck sizing die, or fl die, and using a body die and then a neck sizing die. I was occasionally running into extraction problems when only neck sizing. Theory was, after a couple of firings, the cases were were expanded to where the wasn't any spring back from the chamber wall, allowing them to stick. Before anyone says it was over pressure, I checked everything, including comparing to factory loads. Anyway, I picked up a body die, sized the body, and then did the neck separately. No more extraction issue and the groups stayed at .25. I should mention this was on a 300 RUM shooting 168 gr. Barnes at 3400 fps.</p></blockquote><p></p>
[QUOTE="azarcher10x, post: 1804040, member: 57286"] One thing that worked out for me, was going from just a neck sizing die, or fl die, and using a body die and then a neck sizing die. I was occasionally running into extraction problems when only neck sizing. Theory was, after a couple of firings, the cases were were expanded to where the wasn't any spring back from the chamber wall, allowing them to stick. Before anyone says it was over pressure, I checked everything, including comparing to factory loads. Anyway, I picked up a body die, sized the body, and then did the neck separately. No more extraction issue and the groups stayed at .25. I should mention this was on a 300 RUM shooting 168 gr. Barnes at 3400 fps. [/QUOTE]
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Full Length or Neck Only; What's Best Resizing for Accuracy?
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