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Rifles, Reloading, Optics, Equipment
Reloading
Runout issues with Redding Comp Bushing die
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<blockquote data-quote="Mikecr" data-source="post: 415068" data-attributes="member: 1521"><p>That's a good thing, & normal.</p><p> </p><p></p><p>When you exceed ~5thou of sizing with a bushing, you abruptly force brass inward at angles exceeding the desired set. It'll springback typical, but stressed all to hell.. This stress varies with thickness/variance.</p><p>FL, or non bushing neck dies, are typically less abrupt because many cartridge necks & chambers have a bit of taper from shoulders to mouths by design.</p><p> </p><p></p><p>Yes, and I'm not even sure how some gunsmiths manage to cut chambers that aren't round. It is normal for runout to be lowest right out of a smoking chamber. Afterall, firing in your chamber amounts to your best sizing operation. Further actions can only screw things up from there. So it's best to limit further actions to minimal.</p><p>With a chamber neck so over sized as yours, I would not bother with a bushing die. Use the collet die.</p><p></p><p>Bushing dies are very versatile. But like anything else they have an optimum range to stick within.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 415068, member: 1521"] That's a good thing, & normal. When you exceed ~5thou of sizing with a bushing, you abruptly force brass inward at angles exceeding the desired set. It'll springback typical, but stressed all to hell.. This stress varies with thickness/variance. FL, or non bushing neck dies, are typically less abrupt because many cartridge necks & chambers have a bit of taper from shoulders to mouths by design. Yes, and I'm not even sure how some gunsmiths manage to cut chambers that aren't round. It is normal for runout to be lowest right out of a smoking chamber. Afterall, firing in your chamber amounts to your best sizing operation. Further actions can only screw things up from there. So it's best to limit further actions to minimal. With a chamber neck so over sized as yours, I would not bother with a bushing die. Use the collet die. Bushing dies are very versatile. But like anything else they have an optimum range to stick within. [/QUOTE]
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Runout issues with Redding Comp Bushing die
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