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Rifles, Reloading, Optics, Equipment
Reloading
cases streatching - headspace?
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<blockquote data-quote="boomtube" data-source="post: 840104" data-attributes="member: 9215"><p>You set the shoulder back .0015" from fired position? You know that fired position is at least a thou less than the chamber length? The firing pin will drive most bottle neck cases forward another thou and then the exploding primer will do almost that much more? End result would then be close to 1.5 + 1 + 1 = 3.5 thou shoulder set back with ignition which will require almost that much stretching when fired again. If you're gonna shoulder bump every time you will likely get pretty much that result every time. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="boomtube, post: 840104, member: 9215"] You set the shoulder back .0015" from fired position? You know that fired position is at least a thou less than the chamber length? The firing pin will drive most bottle neck cases forward another thou and then the exploding primer will do almost that much more? End result would then be close to 1.5 + 1 + 1 = 3.5 thou shoulder set back with ignition which will require almost that much stretching when fired again. If you're gonna shoulder bump every time you will likely get pretty much that result every time. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
cases streatching - headspace?
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