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Rifles, Reloading, Optics, Equipment
Reloading
Trouble getting consistent shoulder setback.
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<blockquote data-quote="MagnumManiac" data-source="post: 1699295" data-attributes="member: 10755"><p>There are presses designed to cam-over, and there are presses that are not.</p><p>When setting up a die in a press WITH cam-over ability, it is IMPORTANT to use the cam-over function, even slightly, because the slop in the linkage WILL give inconsistent springback.</p><p>The reason is due to differing resistance from brass case to brass case. Resulting in anywhere from .002"-.008" difference in headspace measurement after sizing.</p><p>I no longer neck size with bushings, I use honed neck Forster FL dies with custom sized/polished expander and bump EVERY case for .001"-.0015" head clearance.</p><p>The only way this is consistent is with cam-over.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1699295, member: 10755"] There are presses designed to cam-over, and there are presses that are not. When setting up a die in a press WITH cam-over ability, it is IMPORTANT to use the cam-over function, even slightly, because the slop in the linkage WILL give inconsistent springback. The reason is due to differing resistance from brass case to brass case. Resulting in anywhere from .002"-.008" difference in headspace measurement after sizing. I no longer neck size with bushings, I use honed neck Forster FL dies with custom sized/polished expander and bump EVERY case for .001"-.0015" head clearance. The only way this is consistent is with cam-over. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Trouble getting consistent shoulder setback.
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