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Rifles, Reloading, Optics, Equipment
Reloading
More seating depth questions
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<blockquote data-quote="Mike6158" data-source="post: 331729" data-attributes="member: 1039"><p>Want to know what I just "discovered"?</p><p></p><p>Being kind of hard headed and having a free Sunday morning, I decided to do a bunch of measuring, load up some empty cases, and see if I can figure this thing out. At the end of all of the preeee-cise measuring and funiggling I finally had a round loaded that, by my preeee-cise measurements, was .010 off of the lands. I stuck it in the magazine and it fit (albeit a little long). I chambered it by hand. As I was pushing the bullet in I notice some "soft" resistance toward the end. lightbulb My preeee-cisely loaded round that was supposed to be .010 off of the lands was touching the lands before the bullet was seated and the bolt was closed. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p><p></p><p>So... I used a version of what you posted ^^ only I didn't split a case. I use micrometer seating dies so I can make fairly precise adjustments to the seating depth easily. I took a black magic marker and ringed the ogive, inserted the bullet, closed the bolt, extracted the bullet, and looked for marks. They show up clearly. I adjusted the die down in .005 increments until the marks were barely visible and I called that "touching the lands. I measured that with the MIC gauge and adjusted down from there. </p><p><strong></strong></p><p><strong>Any flies on this method? </strong></p></blockquote><p></p>
[QUOTE="Mike6158, post: 331729, member: 1039"] Want to know what I just "discovered"? Being kind of hard headed and having a free Sunday morning, I decided to do a bunch of measuring, load up some empty cases, and see if I can figure this thing out. At the end of all of the preeee-cise measuring and funiggling I finally had a round loaded that, by my preeee-cise measurements, was .010 off of the lands. I stuck it in the magazine and it fit (albeit a little long). I chambered it by hand. As I was pushing the bullet in I notice some "soft" resistance toward the end. lightbulb My preeee-cisely loaded round that was supposed to be .010 off of the lands was touching the lands before the bullet was seated and the bolt was closed. :cool: So... I used a version of what you posted ^^ only I didn't split a case. I use micrometer seating dies so I can make fairly precise adjustments to the seating depth easily. I took a black magic marker and ringed the ogive, inserted the bullet, closed the bolt, extracted the bullet, and looked for marks. They show up clearly. I adjusted the die down in .005 increments until the marks were barely visible and I called that "touching the lands. I measured that with the MIC gauge and adjusted down from there. [B] Any flies on this method? [/B] [/QUOTE]
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More seating depth questions
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