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Rifles, Reloading, Optics, Equipment
Reloading
Stumped and need HELP!
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<blockquote data-quote="Dot_3" data-source="post: 2657427" data-attributes="member: 124757"><p>I don't think that's the issue. You shouldn't have to size cases down .008" once-fired from that chamber. My money is on either peened case mouths that only cause chambering issues once a bullet is seated or a bulge just above the neck/shoulder junction, both of which being abated by sizing the shoulder back .006" past the original measurement. It could have either come from a bushing die (which doesn't explain why it chambered before seating a bullet) or from a donut that may have been pushed to the outside by seating the bullet. (Still can't explain how a donut formed after one firing). It just seems odd to me to have to bump a shoulder back .008" to get it to chamber freely</p></blockquote><p></p>
[QUOTE="Dot_3, post: 2657427, member: 124757"] I don’t think that’s the issue. You shouldn’t have to size cases down .008” once-fired from that chamber. My money is on either peened case mouths that only cause chambering issues once a bullet is seated or a bulge just above the neck/shoulder junction, both of which being abated by sizing the shoulder back .006” past the original measurement. It could have either come from a bushing die (which doesn’t explain why it chambered before seating a bullet) or from a donut that may have been pushed to the outside by seating the bullet. (Still can’t explain how a donut formed after one firing). It just seems odd to me to have to bump a shoulder back .008” to get it to chamber freely [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Stumped and need HELP!
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