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Rifles, Reloading, Optics, Equipment
Reloading
proper amount of neck tension
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<blockquote data-quote="Deleted member 46119" data-source="post: 845998"><p>Was feeling better this afternoon so went to the shop. 30-30 was in the reload queue so went with that. Checked the 308, 300WSM and 300RUM that were part way through but up to at least the sizing point and all ID were the same.</p><p></p><p>Measured with a dial micrometer not digital.</p><p></p><p>Sized case:</p><p> ID .304</p><p> OD .324, the FC 30-30 case had a measured thickness of .010. I have 3 tools for this including a laboratory grade tubing tester.</p><p></p><p>Seated bullet</p><p> OD .326</p><p></p><p>After bullet pulled:</p><p> ID .305</p><p> OD .325</p><p></p><p>Resized case</p><p> ID .304</p><p> OD .324</p><p></p><p>Bullet diameter before and after was .308.</p><p></p><p>So...</p><p></p><p>Per Mikecr that is a .002 neck tension.</p></blockquote><p></p>
[QUOTE="Deleted member 46119, post: 845998"] Was feeling better this afternoon so went to the shop. 30-30 was in the reload queue so went with that. Checked the 308, 300WSM and 300RUM that were part way through but up to at least the sizing point and all ID were the same. Measured with a dial micrometer not digital. Sized case: ID .304 OD .324, the FC 30-30 case had a measured thickness of .010. I have 3 tools for this including a laboratory grade tubing tester. Seated bullet OD .326 After bullet pulled: ID .305 OD .325 Resized case ID .304 OD .324 Bullet diameter before and after was .308. So... Per Mikecr that is a .002 neck tension. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
proper amount of neck tension
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