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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Measuring to the lands
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<blockquote data-quote="ohiohunter" data-source="post: 1082478" data-attributes="member: 55230"><p>I get it, and its not that complicated. I just had to make an explanation of it to refute my previous thinking. I do however believe if your comparator is identical to the diameter of your lands then your measurements will be consistent across all bullets, but obviously it is not. So you're basically measuring off the ogive to determine when the bearing surface contacts the lands (not actually measuring to the bearing surface/lands junction) and due to the different slopes off different bullet designs this number fluctuates and must me determined for each bullet to be used.</p></blockquote><p></p>
[QUOTE="ohiohunter, post: 1082478, member: 55230"] I get it, and its not that complicated. I just had to make an explanation of it to refute my previous thinking. I do however believe if your comparator is identical to the diameter of your lands then your measurements will be consistent across all bullets, but obviously it is not. So you're basically measuring off the ogive to determine when the bearing surface contacts the lands (not actually measuring to the bearing surface/lands junction) and due to the different slopes off different bullet designs this number fluctuates and must me determined for each bullet to be used. [/QUOTE]
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Measuring to the lands
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