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Hunting
Long Range Hunting & Shooting
Why excessive runout on some rounds?
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<blockquote data-quote="rellim8154" data-source="post: 2644108" data-attributes="member: 124686"><p>Use of an le wilson mandrel die is great for uniformity of the inside dimension of the neck. Creates consistent neck tension on the head. </p><p>I bump the shoulder 2 thou in a full length sizing die, with the spindle and ball removed. Then the mandrel for the neck. </p><p></p><p>The fl sizing die with the ball and spindle opens the neck on the down stroke, then the die closes it, then as the ball comes back up it re opens the neck. This works the brass more and can un do some of your sizing based on how hard or soft the brass is. Brass if over annealed can get "springy"</p><p>The LE wilson mandrel die is great after initial cost, it's $18 for different caliber insert. And it has a window for lube, just a squirt and I hold a rag under for a few seconds.</p></blockquote><p></p>
[QUOTE="rellim8154, post: 2644108, member: 124686"] Use of an le wilson mandrel die is great for uniformity of the inside dimension of the neck. Creates consistent neck tension on the head. I bump the shoulder 2 thou in a full length sizing die, with the spindle and ball removed. Then the mandrel for the neck. The fl sizing die with the ball and spindle opens the neck on the down stroke, then the die closes it, then as the ball comes back up it re opens the neck. This works the brass more and can un do some of your sizing based on how hard or soft the brass is. Brass if over annealed can get "springy" The LE wilson mandrel die is great after initial cost, it's $18 for different caliber insert. And it has a window for lube, just a squirt and I hold a rag under for a few seconds. [/QUOTE]
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Why excessive runout on some rounds?
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