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Rifles, Reloading, Optics, Equipment
Reloading
Neck sizing 257 Wby
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<blockquote data-quote="sable tireur" data-source="post: 1225862" data-attributes="member: 27307"><p>This is the usual plan of attack for any reloading procedure for once fired brass, especially if it has NOT been fired in your rifle's chamber. Be sure to use a good lube and polish your expander ball. Take precautions to be sure that your dies are aligned in the press to avoid concentricity problems.</p><p></p><p></p><p></p><p></p><p>This is the only quote I could find that actually referenced neck sizing only to be desirable:</p><p></p><p><em>"</em><em>For best accuracy, reloaders should seek to maintain optimum bullet to bore concentricity, best achieved by neck sizing rather than full length sizing."</em></p><p><em></em></p><p><em>-- <a href="http://www.ballisticstudies.com/Knowledgebase/.257+Weatherby+Magnum.html" target="_blank">.257 Weatherby Magnum</a> --</em></p><p><em></em></p><p><em></em>I've been shooting the .257 Weatherby for quite a number of years and I spec my reamers and produce my own rifles so I never have to second guess what size my chamber is.You on the other hand are not quite so lucky.I would cast the chamber or at least fire some cartridges to make sizing dummies for your reference. Then make some feeding dummies to see how the rifle responds to neck sizing only. If there is the slightest bobble, then it's a no go on the neck sizing only. It's a simple test to answer your questions and prevent failure in the field.</p><p></p><p>Everyone will have a personal preference or opinion on which dies to use. I don't use RCBS dies at all any more. Too many inconsistencies in what they produce for the reloader. I also shoot long range benchrest and tactical competitions so I spend a lot of time reloading with a selection of gear to produce accurate and dependable cartridges. Wildcats require that I make my own dies but generally speaking Redding, Forster or Whidden will save you some aggravation in the long run. </p><p>Always usea good lube when resizing.</p><p></p><p>Regards.</p></blockquote><p></p>
[QUOTE="sable tireur, post: 1225862, member: 27307"] This is the usual plan of attack for any reloading procedure for once fired brass, especially if it has NOT been fired in your rifle's chamber. Be sure to use a good lube and polish your expander ball. Take precautions to be sure that your dies are aligned in the press to avoid concentricity problems. This is the only quote I could find that actually referenced neck sizing only to be desirable: [I]"[/I][I]For best accuracy, reloaders should seek to maintain optimum bullet to bore concentricity, best achieved by neck sizing rather than full length sizing." -- [url=http://www.ballisticstudies.com/Knowledgebase/.257+Weatherby+Magnum.html].257 Weatherby Magnum[/url] -- [/I]I've been shooting the .257 Weatherby for quite a number of years and I spec my reamers and produce my own rifles so I never have to second guess what size my chamber is.You on the other hand are not quite so lucky.I would cast the chamber or at least fire some cartridges to make sizing dummies for your reference. Then make some feeding dummies to see how the rifle responds to neck sizing only. If there is the slightest bobble, then it's a no go on the neck sizing only. It's a simple test to answer your questions and prevent failure in the field. Everyone will have a personal preference or opinion on which dies to use. I don't use RCBS dies at all any more. Too many inconsistencies in what they produce for the reloader. I also shoot long range benchrest and tactical competitions so I spend a lot of time reloading with a selection of gear to produce accurate and dependable cartridges. Wildcats require that I make my own dies but generally speaking Redding, Forster or Whidden will save you some aggravation in the long run. Always usea good lube when resizing. Regards. [/QUOTE]
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Reloading
Neck sizing 257 Wby
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