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Rifles, Reloading, Optics, Equipment
Reloading
Neck turning, before or after fireforming, before transitioning to bushing neck sizing for sure
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<blockquote data-quote="Mikecr" data-source="post: 1277584" data-attributes="member: 1521"><p><strong>Re: Neck turning, before or after fireforming, before transitioning to bushing neck sizing for</strong></p><p></p><p>cdherman, you're right in your understandings of this.</p><p>Unless special forming for a wildcat, FL sizing of necks, and fire-forming prior to turning -is undesirable. In fact, you lose one benefit of turning right off the bat, with turning necks that are not new. That is, donut mitigation.</p><p></p><p>The Sinclair system is just that, a system, and there is no better system today. It's no different in function than described by Forster, except with Sinclair you're not relying on outboard components to get the job done(which could cause problems).</p><p></p><p>New brass comes with donuts inherent to it's manufacture, just very small at this point. It's easiest to address with no action other than mandrel expansion and turning. Don't bother downsizing, trimming, annealing, or any other actions that serve only to muddle up a simple job.</p><p>I have never used or needed any case stop in turning. I just eyeball a slight shaving at the neck shoulder junction, and this works fine.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1277584, member: 1521"] [b]Re: Neck turning, before or after fireforming, before transitioning to bushing neck sizing for[/b] cdherman, you're right in your understandings of this. Unless special forming for a wildcat, FL sizing of necks, and fire-forming prior to turning -is undesirable. In fact, you lose one benefit of turning right off the bat, with turning necks that are not new. That is, donut mitigation. The Sinclair system is just that, a system, and there is no better system today. It's no different in function than described by Forster, except with Sinclair you're not relying on outboard components to get the job done(which could cause problems). New brass comes with donuts inherent to it's manufacture, just very small at this point. It's easiest to address with no action other than mandrel expansion and turning. Don't bother downsizing, trimming, annealing, or any other actions that serve only to muddle up a simple job. I have never used or needed any case stop in turning. I just eyeball a slight shaving at the neck shoulder junction, and this works fine. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck turning, before or after fireforming, before transitioning to bushing neck sizing for sure
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