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Rifles, Reloading, Optics, Equipment
Reloading
Neck Sizing with a FL Die
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<blockquote data-quote="Mikecr" data-source="post: 2299381" data-attributes="member: 1521"><p>Don't confuse interference with tension. I know that everyone does,, but don't. It's wrong.</p><p>When you oversize a neck to 3thou under cal, then you'll be using a bullet to re-expand the neck to cal..</p><p>Yeah, that takes more force, using a bullet for expansion, but other than overworking necks and bullet jackets the results are the same as if you had used an actual expander button or mandrel.</p><p>And what's holding bullets either way then is purely neck spring back force (tension, hoop tension).</p><p></p><p>So when you seat into a neck that has already gone through expansion, you're seating into only the same spring back force that holds bullets anyway. It's less work, and it's the same tension.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2299381, member: 1521"] Don't confuse interference with tension. I know that everyone does,, but don't. It's wrong. When you oversize a neck to 3thou under cal, then you'll be using a bullet to re-expand the neck to cal.. Yeah, that takes more force, using a bullet for expansion, but other than overworking necks and bullet jackets the results are the same as if you had used an actual expander button or mandrel. And what's holding bullets either way then is purely neck spring back force (tension, hoop tension). So when you seat into a neck that has already gone through expansion, you're seating into only the same spring back force that holds bullets anyway. It's less work, and it's the same tension. [/QUOTE]
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Reloading
Neck Sizing with a FL Die
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