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Rifles, Reloading, Optics, Equipment
Reloading
Run-out help needed
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<blockquote data-quote="ajhardle" data-source="post: 740115" data-attributes="member: 49861"><p>I would think your run out problem it's from to much neck tension. You said it measures .004 larger with a bullet seated. </p><p></p><p>I just finished two batches, and the first using a lee collet neck die, showing about .001 neck tension, and the most run out was almost .003. Average was less than .002. This brass was not neck turned.</p><p></p><p>The second batch was sized with a lee full length die, with twice as much neck tension, but still less than .002. I measured neck concentricity that was double the previous batch's numbers, and bullet run out was also doubled.</p><p></p><p>But to be fair one batch was Hornady brass loaded in a single shot savage, and the other Lake City for an AR15.</p><p></p><p>Another benefit of the lee collet die is less working of the brass. Not having to trim brass means fewer steps in my reloading. I just wipe the brass off with a cloth. No tumbling, no messy lubes. And that makes me happy.</p></blockquote><p></p>
[QUOTE="ajhardle, post: 740115, member: 49861"] I would think your run out problem it's from to much neck tension. You said it measures .004 larger with a bullet seated. I just finished two batches, and the first using a lee collet neck die, showing about .001 neck tension, and the most run out was almost .003. Average was less than .002. This brass was not neck turned. The second batch was sized with a lee full length die, with twice as much neck tension, but still less than .002. I measured neck concentricity that was double the previous batch's numbers, and bullet run out was also doubled. But to be fair one batch was Hornady brass loaded in a single shot savage, and the other Lake City for an AR15. Another benefit of the lee collet die is less working of the brass. Not having to trim brass means fewer steps in my reloading. I just wipe the brass off with a cloth. No tumbling, no messy lubes. And that makes me happy. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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