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Rifles, Reloading, Optics, Equipment
Reloading
300 WSm Bras Problem
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<blockquote data-quote="Barrelnut" data-source="post: 964345" data-attributes="member: 74902"><p>The shiny 1/8 in. at the bottom of the case shows the height of the web area of the case. The shiny part usually or should not expand when fired. The less shiny remaining part of the case is what expands and holds the case against the chamber wall to seal the chamber when the round is fired. It is not unusual for the non-shiny part to be bigger after firing and after resizing. </p><p></p><p>I shoot 300 WSM also. I measured a fired case. measurement at the web was .552" and the measurement above the web area was .558"</p><p>After resizing it should be smaller about .001 or .002 difference. (Sorry but I don't have a resized case to measure t the moment.)</p><p></p><p>I would do these measurements on a couple cases that chamber after sizing and some of the ones that don't. Also check length and datum at the shoulder length. Issue may not be the line in the pic at all. </p><p></p><p>Having said all that, it does look like a huge difference in the pic. What are the measurements?</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 964345, member: 74902"] The shiny 1/8 in. at the bottom of the case shows the height of the web area of the case. The shiny part usually or should not expand when fired. The less shiny remaining part of the case is what expands and holds the case against the chamber wall to seal the chamber when the round is fired. It is not unusual for the non-shiny part to be bigger after firing and after resizing. I shoot 300 WSM also. I measured a fired case. measurement at the web was .552" and the measurement above the web area was .558" After resizing it should be smaller about .001 or .002 difference. (Sorry but I don't have a resized case to measure t the moment.) I would do these measurements on a couple cases that chamber after sizing and some of the ones that don't. Also check length and datum at the shoulder length. Issue may not be the line in the pic at all. Having said all that, it does look like a huge difference in the pic. What are the measurements? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 WSm Bras Problem
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