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Rifles, Reloading, Optics, Equipment
Reloading
Trouble getting consistent shoulder setback.
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<blockquote data-quote="MNbogboy" data-source="post: 1698019" data-attributes="member: 18849"><p>Having struggled with your problem as we all have, the most important step I have found is to use a different piece of fired brass for each adjustment.</p><p>In the past I have found the second & third adjustment have little or no effect on bump. Then when it finally gets there the next piece has gone too far.</p><p> I believe this is because the "springback" changes once the shoulder is moved.</p><p> Using a different piece for each adjustment seems to get me closer.</p><p>Like others said, uniform lube & state of anneal all play into uniform "bumps".</p><p>I measure every piece and allow .0005 tolerance. Another "trick" for consistency is to leave the press in cam-over for a few seconds (5-10?), thought is time overcomes "springback memory" if there is such a thing.</p><p>My .02</p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 1698019, member: 18849"] Having struggled with your problem as we all have, the most important step I have found is to use a different piece of fired brass for each adjustment. In the past I have found the second & third adjustment have little or no effect on bump. Then when it finally gets there the next piece has gone too far. I believe this is because the "springback" changes once the shoulder is moved. Using a different piece for each adjustment seems to get me closer. Like others said, uniform lube & state of anneal all play into uniform "bumps". I measure every piece and allow .0005 tolerance. Another "trick" for consistency is to leave the press in cam-over for a few seconds (5-10?), thought is time overcomes "springback memory" if there is such a thing. My .02 Randy [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Trouble getting consistent shoulder setback.
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