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Rifles, Reloading, Optics, Equipment
Reloading
280 Ackley SAAMI Head space
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<blockquote data-quote="MNbogboy" data-source="post: 2058886" data-attributes="member: 18849"><p>My personal preference is to try for the longest majority. Meaning if, in your case for instance; </p><p>If there was 42 cases over 2.521, one at 2.520, three at 2.518, 2 at 2.517 and 1 at 2.516 ..i would trim to 2.520 . The 7 culls could be sighter/foulers and most likely would "grow" into the group within 1 or 2 firings. My thought is the longer a spec neck , the less carbon build up near the case mouth end of the chamber.</p><p></p><p>Of coarse if your cases have no "majority", trimming to the shortest length is all you can do for consistency. However, most reloaders do not trim new cases until they are "fireformed" as uniformity will often change quite a bit on the first & second firings until all the body & shoulder are formed.</p><p></p><p>My .02</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 2058886, member: 18849"] My personal preference is to try for the longest majority. Meaning if, in your case for instance; If there was 42 cases over 2.521, one at 2.520, three at 2.518, 2 at 2.517 and 1 at 2.516 ..i would trim to 2.520 . The 7 culls could be sighter/foulers and most likely would "grow" into the group within 1 or 2 firings. My thought is the longer a spec neck , the less carbon build up near the case mouth end of the chamber. Of coarse if your cases have no "majority", trimming to the shortest length is all you can do for consistency. However, most reloaders do not trim new cases until they are "fireformed" as uniformity will often change quite a bit on the first & second firings until all the body & shoulder are formed. My .02 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
280 Ackley SAAMI Head space
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