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Rifles, Reloading, Optics, Equipment
Reloading
Neck expander
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<blockquote data-quote="Chesterrose79" data-source="post: 2076608" data-attributes="member: 112897"><p>The reason you use an expanding mandrel to size your necks is to eliminate run out. It is found that pushing an expander into the neck instead of pulling it out will produce more consistent necks because a case neck has more strength if you push against it compared to pulling on the neck from the other way.</p><p></p><p>That being said I would take the expander ball off because if you leave it on it'll defeat the purpose of trying to achieve less runout by not using the expander ball.</p></blockquote><p></p>
[QUOTE="Chesterrose79, post: 2076608, member: 112897"] The reason you use an expanding mandrel to size your necks is to eliminate run out. It is found that pushing an expander into the neck instead of pulling it out will produce more consistent necks because a case neck has more strength if you push against it compared to pulling on the neck from the other way. That being said I would take the expander ball off because if you leave it on it’ll defeat the purpose of trying to achieve less runout by not using the expander ball. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck expander
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