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Rifles, Reloading, Optics, Equipment
Reloading
Why can’t we get good dies!
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<blockquote data-quote="Alex Wheeler" data-source="post: 2208716" data-attributes="member: 101859"><p>I have to say this can work, but not with every case. We do it in the BR case, about .001 over at the base. It works for a few reasons. That particular brass moves relatively easily. It also has a rather short solid web which does not go up into the chamber very far. Now on other cases where the solid web is much thicker and gets up into the chamber farther, any expansion of that web will bring the brass above it with it and give you a clicker. The thickness of the brass just in front of the web is much more on something like a .300 Norma vs a .308. The dies have to be smaller to move that tougher brass the same amount as the lighter brass. I have gone through a lot of resize reamers figuring out what works with different cartridges and what works on some cases does not work on others. Keep in mind that for any given case the die has to be a certain amount smaller to give the sizing you want, how much smaller depends on the cartridge itself as well as the brass manufacturer. You cant make a die much smaller than the case head unless you want to crack it. So tightening up the chamber like you do can work on some cases and it can get you in trouble on others. You know what your doing, but I do not recommend this for the average guy that does not want to go through a learning curve.</p><p>The next question is, is there a benefit to tighter fitting brass in the chamber? I would say the current trend in Benchrest is to give them a little more room. The guns seem less finicky. Even the amount of shoulder bump can effect accuracy. Would it show up in a hunting rifle? I doubt it.</p></blockquote><p></p>
[QUOTE="Alex Wheeler, post: 2208716, member: 101859"] I have to say this can work, but not with every case. We do it in the BR case, about .001 over at the base. It works for a few reasons. That particular brass moves relatively easily. It also has a rather short solid web which does not go up into the chamber very far. Now on other cases where the solid web is much thicker and gets up into the chamber farther, any expansion of that web will bring the brass above it with it and give you a clicker. The thickness of the brass just in front of the web is much more on something like a .300 Norma vs a .308. The dies have to be smaller to move that tougher brass the same amount as the lighter brass. I have gone through a lot of resize reamers figuring out what works with different cartridges and what works on some cases does not work on others. Keep in mind that for any given case the die has to be a certain amount smaller to give the sizing you want, how much smaller depends on the cartridge itself as well as the brass manufacturer. You cant make a die much smaller than the case head unless you want to crack it. So tightening up the chamber like you do can work on some cases and it can get you in trouble on others. You know what your doing, but I do not recommend this for the average guy that does not want to go through a learning curve. The next question is, is there a benefit to tighter fitting brass in the chamber? I would say the current trend in Benchrest is to give them a little more room. The guns seem less finicky. Even the amount of shoulder bump can effect accuracy. Would it show up in a hunting rifle? I doubt it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Why can’t we get good dies!
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