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Rifles, Reloading, Optics, Equipment
Reloading
Sizing Die Adjustment - Needed??
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<blockquote data-quote="Barrelnut" data-source="post: 1288787" data-attributes="member: 74902"><p>Yea, thought this might be happening. If the die does not adjust down enough to push the shoulder back, then when you size the case the shoulder will GROW. This is because the die is compressing the sides of the case and that has to go somewhere, so it pushes the shoulder FORWARD.</p><p></p><p>You probably have a short chamber and the brass never grows enough to be set back by the die. </p><p></p><p>Usually a magnum chamber is quite long because it is headspaced off the belt and the first time you are firing the brass it is not reaching the end of the chamber. This is common on magnum cases that headspace off the belt. If it is a LONG chamber</p><p></p><p>I this case I think you NEED to NK. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I would get a neck die and only NK the brass for about three firings. You will then find them somewhat difficult to insert by only NK. Then use the FL die to resize the brass back only 2 thousands. If that doesn't work then it is a short chamber for sure and you will need to get a lower shellholder</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1288787, member: 74902"] Yea, thought this might be happening. If the die does not adjust down enough to push the shoulder back, then when you size the case the shoulder will GROW. This is because the die is compressing the sides of the case and that has to go somewhere, so it pushes the shoulder FORWARD. You probably have a short chamber and the brass never grows enough to be set back by the die. Usually a magnum chamber is quite long because it is headspaced off the belt and the first time you are firing the brass it is not reaching the end of the chamber. This is common on magnum cases that headspace off the belt. If it is a LONG chamber I this case I think you NEED to NK. :) I would get a neck die and only NK the brass for about three firings. You will then find them somewhat difficult to insert by only NK. Then use the FL die to resize the brass back only 2 thousands. If that doesn't work then it is a short chamber for sure and you will need to get a lower shellholder [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Sizing Die Adjustment - Needed??
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