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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="Orange Dust" data-source="post: 1807186" data-attributes="member: 92702"><p>Think of it this way on neck turning when the neck doesn't need it for safety. All cases will have a varying neck wall thickness, and there is also usually a taper added to the mix. When you size the neck the die makes it round on the outside. What's on the inside holding the bullet? Then you expand the neck. It stands to reason that the thinner side will give more than the thicker side. Add the taper in and the bullet is seated crooked. That being said, I also have a theory, that is wholly conjecture, but makes sense to me. Remember, I am just a country redneck and not an engineer. What happens when you fire this thing? The bullet travels a short distance and stops briefly at the lands. The case neck expands as the bullet is released. Even if you manually straightened the round perfectly after loading, the pressure has to be released unevenly as the case lets go of the bullet. Seems almost like dealing with a bad crown on the other end. Truing the necks has to help this. I believe it does with all my heart, and don't have the education to prove it.</p></blockquote><p></p>
[QUOTE="Orange Dust, post: 1807186, member: 92702"] Think of it this way on neck turning when the neck doesn't need it for safety. All cases will have a varying neck wall thickness, and there is also usually a taper added to the mix. When you size the neck the die makes it round on the outside. What's on the inside holding the bullet? Then you expand the neck. It stands to reason that the thinner side will give more than the thicker side. Add the taper in and the bullet is seated crooked. That being said, I also have a theory, that is wholly conjecture, but makes sense to me. Remember, I am just a country redneck and not an engineer. What happens when you fire this thing? The bullet travels a short distance and stops briefly at the lands. The case neck expands as the bullet is released. Even if you manually straightened the round perfectly after loading, the pressure has to be released unevenly as the case lets go of the bullet. Seems almost like dealing with a bad crown on the other end. Truing the necks has to help this. I believe it does with all my heart, and don't have the education to prove it. [/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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