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Rifles, Reloading, Optics, Equipment
Reloading
Runout???
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<blockquote data-quote="dwm" data-source="post: 1240219" data-attributes="member: 1136"><p>I noticed you mentioned polishing the expander ball and are considering lubing the necks... When I first started reloading I bought Hornady dies. I had terrible problems with the expander ball galling. Took me a while but I figured it out. The Hornady dies with expander ball size the neck down way more than they need to. This forces the expander ball to work very hard to push the brass back out to the proper size. One way to reduce this effect is to turn the necks so they are thin, like 0.012 or so. This helps, but the real problem is the die is to tight. Bushing dies solve this problem. Also polishing the expander will reduce its diameter which will give you more neck tension.</p><p></p><p>Also I switched from a regular Redding seater die to a Forester bench rest seater with the sliding sleeve that holds the case and noticed the worst case run out reduced by close to 0.0015 to 0.002.</p><p></p><p>Hope this helps...</p></blockquote><p></p>
[QUOTE="dwm, post: 1240219, member: 1136"] I noticed you mentioned polishing the expander ball and are considering lubing the necks... When I first started reloading I bought Hornady dies. I had terrible problems with the expander ball galling. Took me a while but I figured it out. The Hornady dies with expander ball size the neck down way more than they need to. This forces the expander ball to work very hard to push the brass back out to the proper size. One way to reduce this effect is to turn the necks so they are thin, like 0.012 or so. This helps, but the real problem is the die is to tight. Bushing dies solve this problem. Also polishing the expander will reduce its diameter which will give you more neck tension. Also I switched from a regular Redding seater die to a Forester bench rest seater with the sliding sleeve that holds the case and noticed the worst case run out reduced by close to 0.0015 to 0.002. Hope this helps... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Runout???
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