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Rifles, Reloading, Optics, Equipment
Reloading
What am I doing wrong here!!
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<blockquote data-quote="Hugnot" data-source="post: 2227698" data-attributes="member: 115658"><p>Bullets are stuck in the seating stem as shown by radial distortion on ogive - like jammed tight.</p><p></p><p>This would indicate excessive force in seating bullets. Have I missed seeing any actual neck ID measurements?</p><p></p><p></p><p>.263 - .2615 = .0015 or the .263 expander is .0015 bigger than the .2615 expander. The .263 expander use has exceeded the neck yield strength resulting in inadequate neck tension ("almost no pressure to seat in the press").</p><p></p><p>Neck walls thicken upon use from back to front, this would account for variations in neck ID. Assuming no brass spring back a .264 bullet using a .263 expander, would only have .001 neck tension. I think the .2615 expander would work with neck turning & annealing.</p><p></p><p>Of note:</p><p></p><p>[URL unfurl="true"]https://bisonballistics.com/articles/case-neck-tension-a-stress-analysis[/URL]</p><p></p><p>Best to turn necks and periodic anneal vs. polishing expanders</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2227698, member: 115658"] Bullets are stuck in the seating stem as shown by radial distortion on ogive - like jammed tight. This would indicate excessive force in seating bullets. Have I missed seeing any actual neck ID measurements? .263 - .2615 = .0015 or the .263 expander is .0015 bigger than the .2615 expander. The .263 expander use has exceeded the neck yield strength resulting in inadequate neck tension ("almost no pressure to seat in the press"). Neck walls thicken upon use from back to front, this would account for variations in neck ID. Assuming no brass spring back a .264 bullet using a .263 expander, would only have .001 neck tension. I think the .2615 expander would work with neck turning & annealing. Of note: [URL unfurl="true"]https://bisonballistics.com/articles/case-neck-tension-a-stress-analysis[/URL] Best to turn necks and periodic anneal vs. polishing expanders [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What am I doing wrong here!!
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