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Rifles, Reloading, Optics, Equipment
Reloading
Is it possible that the ogive could vary .030" on different lots of Bergers?
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<blockquote data-quote="Mikecr" data-source="post: 432584" data-attributes="member: 1521"><p>You guys got a few things confused.</p><p>The ogive is not a datum or specific point of a bullet nose. It is the entire curved portion of a nose, and only expressing the radius of it. The radius of a circle is not defined by a specific point on a circumference.</p><p>And the reason seater stems contact where they do has nothing to do with your barrel/throat. Contact too low can distort the nose, and contact too high produces inconsisteant seating (that varies with seating force).</p><p></p><p>There is no standard datum for bullet noses, and all our tools and seater stems take a set at different points on our bullet noses. Doesn't matter.</p><p>All that's important is that you stick to the same tool, with it's consistent datum(hopefully), that you determined the best seating depth with.</p><p></p><p>Trout, bullets do vary from lot to lot. They are not made to a blueprint. But have you used the exact same tool for your measurements?</p></blockquote><p></p>
[QUOTE="Mikecr, post: 432584, member: 1521"] You guys got a few things confused. The ogive is not a datum or specific point of a bullet nose. It is the entire curved portion of a nose, and only expressing the radius of it. The radius of a circle is not defined by a specific point on a circumference. And the reason seater stems contact where they do has nothing to do with your barrel/throat. Contact too low can distort the nose, and contact too high produces inconsisteant seating (that varies with seating force). There is no standard datum for bullet noses, and all our tools and seater stems take a set at different points on our bullet noses. Doesn't matter. All that's important is that you stick to the same tool, with it's consistent datum(hopefully), that you determined the best seating depth with. Trout, bullets do vary from lot to lot. They are not made to a blueprint. But have you used the exact same tool for your measurements? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Is it possible that the ogive could vary .030" on different lots of Bergers?
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