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Rifles, Reloading, Optics, Equipment
Reloading
Case Cocentricity
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<blockquote data-quote="boomtube" data-source="post: 243487" data-attributes="member: 9215"><p>Dry, I don't think ANYTHING in reloading is a predictable fact. It's all cut and try. If it works, great, if it doesn't it may work next time! Who knows.... And I make no claim to be a expert, been at it over 40 years and still learning.</p><p> </p><p>That said, no die used today will make the cases work better in another die tomorrow so, no, even if the Lee should do you better with your new brass it will have to be used next time too. </p><p> </p><p>I suspect the "problem" with bushing dies is that the necks enter the bushing while the body of the case is still not touching the die walls. That means that any soft or thin spots in the neck will give way more and the neck will drift to that side. I think. Most of the time anyway. </p><p> </p><p>Lee's Collet die is unique. It has a bullet sized mandrel which also serves as the decapping rod. The mandrel is pretty well centered in the die body so the necks get a good chance of being squeezed down and kept straight. IF the necks are concentric, so the inner and out diameters are also concentric. </p><p> </p><p>I won't con you, nothing in this life is perfect including Lee's Collet neck die. It has a learning curve so those who are not willing to take the time and effort to learn to use it will be better served with some other type die. Other dies are pretty much a conventional "shove it in and pull it out" design while the Lee requires a developed feel to be consistant with the inside diameter. And, SADLY, some of them have internal rough places that may need to be polished smooth with a split dowel and sandpaper spun in an electric drill. Still, personally, the advantages of the collet neck dies out weight the disadvantages, by a lot, and at much less fuss and expense.</p><p> </p><p>I have no personal experience with anyone's bushing dies. Just know what I read on the web about them producing bent necks, as your's does. I KNOW the only way to get consistant bullet tension, as most people figure it, demands that the necks be turned to a constant thickness. Seems ALL of the magazine "experts" love bushing dies but I sometimes wonder about some of them too....</p><p> </p><p>Good luck!</p></blockquote><p></p>
[QUOTE="boomtube, post: 243487, member: 9215"] Dry, I don't think ANYTHING in reloading is a predictable fact. It's all cut and try. If it works, great, if it doesn't it may work next time! Who knows.... And I make no claim to be a expert, been at it over 40 years and still learning. That said, no die used today will make the cases work better in another die tomorrow so, no, even if the Lee should do you better with your new brass it will have to be used next time too. I suspect the "problem" with bushing dies is that the necks enter the bushing while the body of the case is still not touching the die walls. That means that any soft or thin spots in the neck will give way more and the neck will drift to that side. I think. Most of the time anyway. Lee's Collet die is unique. It has a bullet sized mandrel which also serves as the decapping rod. The mandrel is pretty well centered in the die body so the necks get a good chance of being squeezed down and kept straight. IF the necks are concentric, so the inner and out diameters are also concentric. I won't con you, nothing in this life is perfect including Lee's Collet neck die. It has a learning curve so those who are not willing to take the time and effort to learn to use it will be better served with some other type die. Other dies are pretty much a conventional "shove it in and pull it out" design while the Lee requires a developed feel to be consistant with the inside diameter. And, SADLY, some of them have internal rough places that may need to be polished smooth with a split dowel and sandpaper spun in an electric drill. Still, personally, the advantages of the collet neck dies out weight the disadvantages, by a lot, and at much less fuss and expense. I have no personal experience with anyone's bushing dies. Just know what I read on the web about them producing bent necks, as your's does. I KNOW the only way to get consistant bullet tension, as most people figure it, demands that the necks be turned to a constant thickness. Seems ALL of the magazine "experts" love bushing dies but I sometimes wonder about some of them too.... Good luck! [/QUOTE]
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Case Cocentricity
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