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Rifles, Reloading, Optics, Equipment
Reloading
Resizing with full length or neck sizing die?
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<blockquote data-quote="BountyHunter" data-source="post: 427321" data-attributes="member: 12"><p>The issue is not a "match" chamber, and having one or not having one is not the issue. Your chamber must be uniform most of all then the issue is sizing with dies that match whatever chamber you have. </p><p> </p><p>If they do not, you will not get the best accuracy no matter what you do and the NS cases will continue to change dimensions and work harden, eventually have to be resized and annealed or thrown away. If you allow them to grow and harden without sizing it is not conducive to best accuracy. Now if strictly factory chamber, factory barrel and factory dies run all with way to the shellholder, then do whatever you want as it is not going to matter much anyway.</p><p> </p><p>Match chambers are normally minumum SAAMI specs to minimize case expansion and sizing due to differences in brass and chamber. Now most are cut in the throat for a specific range of bullets versus a longer throated factory reamer.</p><p> </p><p>You can send your factory dies to Jim Carstenson at JLC Precision and have them honed to match, or he can make a custom FL size die with bushings from a redding body die for $80</p><p> </p><p>If you ever use a proper fitted and adusted FL die you will never NS again.</p><p> </p><p>The problem is most have not and see NS as the cure all for ill fitting dies and improper die adjustment.</p><p></p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 427321, member: 12"] The issue is not a "match" chamber, and having one or not having one is not the issue. Your chamber must be uniform most of all then the issue is sizing with dies that match whatever chamber you have. If they do not, you will not get the best accuracy no matter what you do and the NS cases will continue to change dimensions and work harden, eventually have to be resized and annealed or thrown away. If you allow them to grow and harden without sizing it is not conducive to best accuracy. Now if strictly factory chamber, factory barrel and factory dies run all with way to the shellholder, then do whatever you want as it is not going to matter much anyway. Match chambers are normally minumum SAAMI specs to minimize case expansion and sizing due to differences in brass and chamber. Now most are cut in the throat for a specific range of bullets versus a longer throated factory reamer. You can send your factory dies to Jim Carstenson at JLC Precision and have them honed to match, or he can make a custom FL size die with bushings from a redding body die for $80 If you ever use a proper fitted and adusted FL die you will never NS again. The problem is most have not and see NS as the cure all for ill fitting dies and improper die adjustment. BH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Resizing with full length or neck sizing die?
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