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Rifles, Reloading, Optics, Equipment
Reloading
Expanding vs Turning Mandrels
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<blockquote data-quote="ntsqd" data-source="post: 2425365" data-attributes="member: 93138"><p>I think that I can see MikeCR's point. Assuming a generous but not excessive neck clearance, one that removes any influence that the case neck might have on the axial position of the bullet, the next thing that influences bullet alignment with the bore is the fit between the OD of the bullet's bearing surface and the ID of the throat. If you have any clearance there, the bullet can easily be eccentric by that radial clearance dimension, and if you have the absolute minimum clearance there then you risk pulling the bullet in live extractions even if you have not engraved the bullet in the rifling and it will still be slightly eccentric. If you don't have any clearance there then you can't chamber a round.</p></blockquote><p></p>
[QUOTE="ntsqd, post: 2425365, member: 93138"] I think that I can see MikeCR's point. Assuming a generous but not excessive neck clearance, one that removes any influence that the case neck might have on the axial position of the bullet, the next thing that influences bullet alignment with the bore is the fit between the OD of the bullet's bearing surface and the ID of the throat. If you have any clearance there, the bullet can easily be eccentric by that radial clearance dimension, and if you have the absolute minimum clearance there then you risk pulling the bullet in live extractions even if you have not engraved the bullet in the rifling and it will still be slightly eccentric. If you don't have any clearance there then you can't chamber a round. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Expanding vs Turning Mandrels
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