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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: 1928161" data-attributes="member: 1521"><p>On firing, the necks grow to chamber neck and spring back a bit. It's often the case that you can drop bullets right through fired necks. That's in no way a requirement, but many see that when donut area has grown thick enough the bullets will stop on it. If they are, then you dang sure do not need to be sizing donut area inward even more!</p><p>If donut area is not bad, and partially sizing above it, then the donut area is not binding or adding to normal neck tension. This, even while seating through it.</p><p></p><p>Unless you've turned necks and minimally size to remove & mitigate changes in thickness at the donut area, then it's best not to seat bullet bearing through this, and NEVER add to the issue with sizing of it.</p><p></p><p>This is what you get with a normal seated bullet but FL sized neck,, picture why this could be a problem:[ATTACH=full]200007[/ATTACH][ATTACH=full]200009[/ATTACH]</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1928161, member: 1521"] On firing, the necks grow to chamber neck and spring back a bit. It's often the case that you can drop bullets right through fired necks. That's in no way a requirement, but many see that when donut area has grown thick enough the bullets will stop on it. If they are, then you dang sure do not need to be sizing donut area inward even more! If donut area is not bad, and partially sizing above it, then the donut area is not binding or adding to normal neck tension. This, even while seating through it. Unless you've turned necks and minimally size to remove & mitigate changes in thickness at the donut area, then it's best not to seat bullet bearing through this, and NEVER add to the issue with sizing of it. This is what you get with a normal seated bullet but FL sized neck,, picture why this could be a problem:[ATTACH type="full" alt="FLsizedNECK2.jpg"]200007[/ATTACH][ATTACH type="full"]200009[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Partial neck sizing - a problem?
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