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Rifles, Reloading, Optics, Equipment
Reloading
Seating Depth
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<blockquote data-quote="Monteria" data-source="post: 2706633" data-attributes="member: 115565"><p>I didn't post specifics originally because I super simplified the instructions Mike originally gave me... It works but, someone looking for more precision might want to follow Mike's instructions much more closely.</p><p></p><p>I start running what-ifs in QL. I pick a low pressure load with a charge that I think will be well outside of any node. If I have powder that I want to get rid of, I'll use that. Basically I throw a dart at the board and hope for a poor result. </p><p></p><p>I find my max OAL (to the lands-10thou, at least one bullet diam seating depth, or max mag length, which ever is shortest or makes most sense for application)</p><p></p><p>I load 3 rounds each at max length, max-30, max-60, max-90, max-120. (Yes, I do that big a range because what I want for my purpose is the widest, most stable seating window.)</p><p></p><p>Take the best group (smallest with bias for least horizontal spread. Though I may have made that horizontal part up in my head, it makes sense to me) </p><p></p><p>Back to QL, I take the powder I want to use and find theoretical max load. </p><p></p><p>I then load chosen seating depth with max load-1.5gr, max load-1gr, max load-.5gr, max load and max load+.5gr.</p><p></p><p>The target I posted previously is chosen seating depth and theoretical max load-.5gr. </p><p></p><p>If it's garbage, another bullet or another powder is in order. I'll usually go another powder first because I usually want to stick with my chosen bullet.</p><p></p><p>If I wanted to further refine at this point, I would fine tune seating depth, then charge weight, in the exact same way but with smaller increments on both sides of my best load from above.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Monteria, post: 2706633, member: 115565"] I didn't post specifics originally because I super simplified the instructions Mike originally gave me... It works but, someone looking for more precision might want to follow Mike's instructions much more closely. I start running what-ifs in QL. I pick a low pressure load with a charge that I think will be well outside of any node. If I have powder that I want to get rid of, I'll use that. Basically I throw a dart at the board and hope for a poor result. I find my max OAL (to the lands-10thou, at least one bullet diam seating depth, or max mag length, which ever is shortest or makes most sense for application) I load 3 rounds each at max length, max-30, max-60, max-90, max-120. (Yes, I do that big a range because what I want for my purpose is the widest, most stable seating window.) Take the best group (smallest with bias for least horizontal spread. Though I may have made that horizontal part up in my head, it makes sense to me) Back to QL, I take the powder I want to use and find theoretical max load. I then load chosen seating depth with max load-1.5gr, max load-1gr, max load-.5gr, max load and max load+.5gr. The target I posted previously is chosen seating depth and theoretical max load-.5gr. If it's garbage, another bullet or another powder is in order. I'll usually go another powder first because I usually want to stick with my chosen bullet. If I wanted to further refine at this point, I would fine tune seating depth, then charge weight, in the exact same way but with smaller increments on both sides of my best load from above. Steve [/QUOTE]
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