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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: 1803280" data-attributes="member: 2736"><p>Hear is my take on this. </p><p>All necks should have a minimum of .004 thousandths clearance to the neck chamber to allow the bullet to be released without pressure going up. Tight neck to chamber dimensions can work if you load down. This will help align the bullet but cost lots of velocity. Also when running a tight neck chamber the case necks must be turned.</p><p></p><p>So if the neck clearance is .004 and the necks have been turned, the bullet will have to rely on case fit. the better it fits the chamber, the better the bullet will align with the bore.</p><p></p><p>I started loading buy just full length sizing and about the best I could get was 1/2 MOA. Wanting/needing better accuracy, I started full length sizing just enough to feed well. Accuracy improved again. When I joined this group, I went all out and used/tried everything I knew and what I was told about loading accurate and consistent ammo. </p><p></p><p>That is when I realized that i couldn't miss a single step. Some have had better luck than I apparently with full length and no neck turning, but not me. I also really found out what my ammo quality was when I bought a concentricity tool from Sinclair. that tool made me re evaluate my dies, press and technique.</p><p></p><p>Some have questioned why some others are not satisfied with 1/4 MOA, and I cant answer for others, but that's just what I want. I want to get where I can stay well below that consistently if possible. don't know if I can do it but for sure I can't if I don't try.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1803280, member: 2736"] Hear is my take on this. All necks should have a minimum of .004 thousandths clearance to the neck chamber to allow the bullet to be released without pressure going up. Tight neck to chamber dimensions can work if you load down. This will help align the bullet but cost lots of velocity. Also when running a tight neck chamber the case necks must be turned. So if the neck clearance is .004 and the necks have been turned, the bullet will have to rely on case fit. the better it fits the chamber, the better the bullet will align with the bore. I started loading buy just full length sizing and about the best I could get was 1/2 MOA. Wanting/needing better accuracy, I started full length sizing just enough to feed well. Accuracy improved again. When I joined this group, I went all out and used/tried everything I knew and what I was told about loading accurate and consistent ammo. That is when I realized that i couldn't miss a single step. Some have had better luck than I apparently with full length and no neck turning, but not me. I also really found out what my ammo quality was when I bought a concentricity tool from Sinclair. that tool made me re evaluate my dies, press and technique. Some have questioned why some others are not satisfied with 1/4 MOA, and I cant answer for others, but that's just what I want. I want to get where I can stay well below that consistently if possible. don't know if I can do it but for sure I can't if I don't try. 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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