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Rifles, Reloading, Optics, Equipment
Reloading
Reloading 7mm STW
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<blockquote data-quote="eshorebwhntr" data-source="post: 1987623" data-attributes="member: 17112"><p>Or size the brass without the mandrel installed, put a good chamfer on the case neck, and test seat a bullet to your COAL. If it doesn't move then you know the mandrel may be expanding the neck too much on the upstroke. </p><p></p><p>Mic the expander mandrel at it's largest diameter. Should fall between .280-.282. If it's larger than that it could be what's causing your problem.</p><p></p><p>As others have said, if you find that's your issue you can fix it yourself or request a replacement.</p></blockquote><p></p>
[QUOTE="eshorebwhntr, post: 1987623, member: 17112"] Or size the brass without the mandrel installed, put a good chamfer on the case neck, and test seat a bullet to your COAL. If it doesn't move then you know the mandrel may be expanding the neck too much on the upstroke. Mic the expander mandrel at it's largest diameter. Should fall between .280-.282. If it's larger than that it could be what's causing your problem. As others have said, if you find that's your issue you can fix it yourself or request a replacement. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reloading 7mm STW
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