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Rifles, Reloading, Optics, Equipment
Gunsmithing
30 Nosler, 215 Berger. Reamer?
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<blockquote data-quote="Jud96" data-source="post: 1830272" data-attributes="member: 69478"><p>Curious how you came up with the 0.200 Freebore. According to my calculations, the 30 Nosler has a 0.310 Long neck and the 215 Berger has 0.463 of bearing surface. That would mean to put the bearing surface at the base of the neck wouldn't you need 0.153 of freebore? Obviously a little more freebore won't hurt so you can seat off the lands and still not be below the neck shoulder junction, but 0.050 more seems like a lot of extra to me. Thanks</p></blockquote><p></p>
[QUOTE="Jud96, post: 1830272, member: 69478"] Curious how you came up with the 0.200 Freebore. According to my calculations, the 30 Nosler has a 0.310 Long neck and the 215 Berger has 0.463 of bearing surface. That would mean to put the bearing surface at the base of the neck wouldn’t you need 0.153 of freebore? Obviously a little more freebore won’t hurt so you can seat off the lands and still not be below the neck shoulder junction, but 0.050 more seems like a lot of extra to me. Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
30 Nosler, 215 Berger. Reamer?
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