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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder Bump?? I might be a bit "DIM"!
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<blockquote data-quote="bigedp51" data-source="post: 1294296" data-attributes="member: 28965"><p>Chambers and dies vary in size so the best way is to measure a fired case with a Hornady cartridge case headspace gauge and adjust the die to bump the shoulder back the required amount.</p><p></p><p>Below on a bolt action you would bump the shoulder back .001 to .002 below the red dotted line. If you adjust the die as per the instructions you would push the shoulder back to the green dotted line. Bottom line you adjust the die for the minimum amount of sizing where the cartridge chambers and extracts reliably.</p><p> </p><p><img src="http://i.imgur.com/wm05ArY.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1294296, member: 28965"] Chambers and dies vary in size so the best way is to measure a fired case with a Hornady cartridge case headspace gauge and adjust the die to bump the shoulder back the required amount. Below on a bolt action you would bump the shoulder back .001 to .002 below the red dotted line. If you adjust the die as per the instructions you would push the shoulder back to the green dotted line. Bottom line you adjust the die for the minimum amount of sizing where the cartridge chambers and extracts reliably. [IMG]http://i.imgur.com/wm05ArY.gif[/IMG] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder Bump?? I might be a bit "DIM"!
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