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Rifles, Reloading, Optics, Equipment
Reloading
Inside neck reaming
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<blockquote data-quote="QuietTexan" data-source="post: 2904162" data-attributes="member: 116181"><p>Turning is the pre-emptive answer. Reaming is a less-than-optimal solution after the problem has been created.</p><p></p><p>The larger the parent case caliber relative to the necked-down caliber the more likely you are to have excessive thickness issues. A ball mic is an effective way to actually measure neck thickness, if you've necked down the 8mms without turning then you should mic those and get them down to .0130-.0140" thickness if you can.</p><p></p><p></p><p>I use an AutoDOD for benchrest cases, on some of those (ie 30 BR) there's so much movement going on, combined with chambers cut with tight necks, it's about the only way to make uniform brass.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2904162, member: 116181"] Turning is the pre-emptive answer. Reaming is a less-than-optimal solution after the problem has been created. The larger the parent case caliber relative to the necked-down caliber the more likely you are to have excessive thickness issues. A ball mic is an effective way to actually measure neck thickness, if you've necked down the 8mms without turning then you should mic those and get them down to .0130-.0140" thickness if you can. I use an AutoDOD for benchrest cases, on some of those (ie 30 BR) there's so much movement going on, combined with chambers cut with tight necks, it's about the only way to make uniform brass. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Inside neck reaming
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