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Rifles, Reloading, Optics, Equipment
Reloading
Partial neck sizing - a problem?
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<blockquote data-quote="Mikecr" data-source="post: 1928181" data-attributes="member: 1521"><p>In this pic you can see a partially sized fired neck, leaving 1thou interference(after springback) for seating. The sizing stops on seated bullet bearing(does not exceed it). The length of which (THE neck tension adjustment) is set as established through load development. This sizing does not bring donut thickness into tension, nor cause any binding on bullet base-bearing junction. If seating testing were to have caused me to seat the bullets a full 1/4" deeper in this neck, it still would not affect the set neck tension, as grip on the bearing would remain exactly the same (from sized portion only). At least consider these things with your sizing plan.</p><p>[ATTACH=full]200015[/ATTACH]</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1928181, member: 1521"] In this pic you can see a partially sized fired neck, leaving 1thou interference(after springback) for seating. The sizing stops on seated bullet bearing(does not exceed it). The length of which (THE neck tension adjustment) is set as established through load development. This sizing does not bring donut thickness into tension, nor cause any binding on bullet base-bearing junction. If seating testing were to have caused me to seat the bullets a full 1/4" deeper in this neck, it still would not affect the set neck tension, as grip on the bearing would remain exactly the same (from sized portion only). At least consider these things with your sizing plan. [ATTACH type="full" alt="Partial sizing.jpg"]200015[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Partial neck sizing - a problem?
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