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Rifles, Reloading, Optics, Equipment
Reloading
Competition Dies?
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<blockquote data-quote="goodgrouper" data-source="post: 69756" data-attributes="member: 2852"><p>[ QUOTE ]</p><p> Could this be a problem like you have stated that the brass could have too much grip? </p><p></p><p>[/ QUOTE ] </p><p></p><p>Absolutely.</p><p>Regular dies squeeze the neck down as much as .020" then the expander ball brings the diameter back to bullet diameter size or slightly under. Then the brass "springs" down and creates a Vulcan death grip on your bullet thereby shaving copper of it and degrading it's accuracy.</p><p></p><p>I am currently running only .001" bullet grip on every gun I own except my 300 win mag which runs .002" grip, and my 6br which runs .0005". The 300 mag runs from a magazine so it needs to be a bit tighter, and the BR ammo is for benchrest only and I don't handle the ammo rough or I might push the bullet down into the case! </p><p>Generally speaking, the less grip you have on the bullet, the more accurate it should be. There are a few exceptions but unless I'm loading for a semi-auto I try to get the tension down to .003 or less.</p><p></p><p></p><p> [ QUOTE ]</p><p> It is not much but enough to hurt the accuracy down range, and one things for sure it isn't helping my accuracy. </p><p></p><p>[/ QUOTE ] </p><p></p><p>Or your bullet's b.c.! /ubbthreads/images/graemlins/shocked.gif</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 69756, member: 2852"] [ QUOTE ] Could this be a problem like you have stated that the brass could have too much grip? [/ QUOTE ] Absolutely. Regular dies squeeze the neck down as much as .020" then the expander ball brings the diameter back to bullet diameter size or slightly under. Then the brass "springs" down and creates a Vulcan death grip on your bullet thereby shaving copper of it and degrading it's accuracy. I am currently running only .001" bullet grip on every gun I own except my 300 win mag which runs .002" grip, and my 6br which runs .0005". The 300 mag runs from a magazine so it needs to be a bit tighter, and the BR ammo is for benchrest only and I don't handle the ammo rough or I might push the bullet down into the case! Generally speaking, the less grip you have on the bullet, the more accurate it should be. There are a few exceptions but unless I'm loading for a semi-auto I try to get the tension down to .003 or less. [ QUOTE ] It is not much but enough to hurt the accuracy down range, and one things for sure it isn't helping my accuracy. [/ QUOTE ] Or your bullet's b.c.! [img]/ubbthreads/images/graemlins/shocked.gif[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Competition Dies?
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