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Rifles, Reloading, Optics, Equipment
Reloading
Mandrel after bushing die size?
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<blockquote data-quote="Mike6158" data-source="post: 3103281" data-attributes="member: 1039"><p>The calipers are Starrett and Mitutoyo (new). Both read 4 decimal places but they don't claim .0001 accuracy. The pin gauges are precise. My 10ths mic is still packed away. That said, the readings I got are accurate. I was simply making the observation that even annealed Lapua brass will spring back. I don't shoot in matches (not yet anyway). No doubt about it, spring back is real and it will mess up groups. It's easy enough to see the difference in seating pressure on the Amp press but I haven't always had an Amp press or been aware of spring back.</p></blockquote><p></p>
[QUOTE="Mike6158, post: 3103281, member: 1039"] The calipers are Starrett and Mitutoyo (new). Both read 4 decimal places but they don't claim .0001 accuracy. The pin gauges are precise. My 10ths mic is still packed away. That said, the readings I got are accurate. I was simply making the observation that even annealed Lapua brass will spring back. I don't shoot in matches (not yet anyway). No doubt about it, spring back is real and it will mess up groups. It's easy enough to see the difference in seating pressure on the Amp press but I haven't always had an Amp press or been aware of spring back. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Mandrel after bushing die size?
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