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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension Test On a Hard Surface
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<blockquote data-quote="MagnumManiac" data-source="post: 2230343" data-attributes="member: 10755"><p>First thing I would do is mic the expander with a .0001" accurate micrometer, the tenths are important, and see what it reads.</p><p>If less than .002", this MAY be too little neck tension, but not necessarily.</p><p>I run .0015"-.001" in numerous cartridges with lubed necks and it is very difficult to get a bullet to move in the neck unless it is freshly annealed. Have had them pull out after seating just from the way they fit the seating stem after annealing. Spring back was lost.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2230343, member: 10755"] First thing I would do is mic the expander with a .0001” accurate micrometer, the tenths are important, and see what it reads. If less than .002”, this MAY be too little neck tension, but not necessarily. I run .0015”-.001” in numerous cartridges with lubed necks and it is very difficult to get a bullet to move in the neck unless it is freshly annealed. Have had them pull out after seating just from the way they fit the seating stem after annealing. Spring back was lost. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension Test On a Hard Surface
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