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Rifles, Reloading, Optics, Equipment
Reloading
Seating bullet problem... need help
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<blockquote data-quote="Mikecr" data-source="post: 2167269" data-attributes="member: 1521"><p>Bullet runout itself is normally -way under 1thou. Maybe a couple 1/10ths of a thou in extreme.</p><p>Otherwise, we'd all be measuring bullet runout itself, and culling offenders before moving on to seating.</p><p></p><p>OP I notice your bullets have little for exposed bearing real estate(because of the grooves). You need to be absolutely sure that you're not on the bullet ogive(anywhere on nose curve). If you are, ever so slightly, then any fore-aft movement of the case on rotation can cause what you're seeing. This could be due to case heads slightly out of square.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2167269, member: 1521"] Bullet runout itself is normally -way under 1thou. Maybe a couple 1/10ths of a thou in extreme. Otherwise, we'd all be measuring bullet runout itself, and culling offenders before moving on to seating. OP I notice your bullets have little for exposed bearing real estate(because of the grooves). You need to be absolutely sure that you're not on the bullet ogive(anywhere on nose curve). If you are, ever so slightly, then any fore-aft movement of the case on rotation can cause what you're seeing. This could be due to case heads slightly out of square. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Seating bullet problem... need help
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