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Rifles, Reloading, Optics, Equipment
Reloading
Neck sizing for accuracy
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<blockquote data-quote="bigedp51" data-source="post: 1741292" data-attributes="member: 28965"><p>When I got out of the military in 1973 I bought a Remington 760 pump and a Lee loader. The problem with neck sizing was the third time I fired these neck sized cases they would not eject until the cases cooled off. That night I bought a Rockchucker press and some RCBS full length dies and my cases ejected every time.</p><p></p><p>In the book that mikecr linked by <strong>GLEN ZEDIKER</strong> he tells you for a semi-auto rifle the full length resized cases should be .003 to .005 smaller in diameter than their fired diameter. This allows the case to spring back from the chamber walls and extract reliably.</p><p></p><p>On a bolt action lifting the bolt straight up is primary extraction and breaks the case free of the chamber walls. Pulling the bolt straight back is secondary extraction and removes the case from the chamber.</p><p></p><p>Chambers and dies vary in size, as a example I have a Lee full length .223 die that will reduce the case body diameter more than my RCBS .223 small base die. So nothing is written in stone when it comes to resizing dies.</p><p></p><p>My point being sooner or later with a neck sized case you will need to full length resize the case so it will fit in the chamber and extract reliably. And if you full length resize the cases are a uniform size each time they are sized. And the bolt lift or primary extraction does not get harder each time the case is fired.</p><p></p><p>Bottom line, I full length all my cases I use for hunting and only neck size cases for some of my old milsurp rifles with long fat chambers to shoot at the range. And as I said before the best part about reloading is the person pulling the press handle decides how to do it.</p><p></p><p>P.S. I do not have a magic unicorn like CatShooter so I full length resize every time.</p><p></p><p><img src="https://i.imgur.com/ydx65vv.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>But even <em>Saddam Hussein</em>'s cat preferred neck sizing but its a dying practice.</p><p></p><p> <img src="https://i.imgur.com/oYX8YZT.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1741292, member: 28965"] When I got out of the military in 1973 I bought a Remington 760 pump and a Lee loader. The problem with neck sizing was the third time I fired these neck sized cases they would not eject until the cases cooled off. That night I bought a Rockchucker press and some RCBS full length dies and my cases ejected every time. In the book that mikecr linked by [B]GLEN ZEDIKER[/B] he tells you for a semi-auto rifle the full length resized cases should be .003 to .005 smaller in diameter than their fired diameter. This allows the case to spring back from the chamber walls and extract reliably. On a bolt action lifting the bolt straight up is primary extraction and breaks the case free of the chamber walls. Pulling the bolt straight back is secondary extraction and removes the case from the chamber. Chambers and dies vary in size, as a example I have a Lee full length .223 die that will reduce the case body diameter more than my RCBS .223 small base die. So nothing is written in stone when it comes to resizing dies. My point being sooner or later with a neck sized case you will need to full length resize the case so it will fit in the chamber and extract reliably. And if you full length resize the cases are a uniform size each time they are sized. And the bolt lift or primary extraction does not get harder each time the case is fired. Bottom line, I full length all my cases I use for hunting and only neck size cases for some of my old milsurp rifles with long fat chambers to shoot at the range. And as I said before the best part about reloading is the person pulling the press handle decides how to do it. P.S. I do not have a magic unicorn like CatShooter so I full length resize every time. [img]https://i.imgur.com/ydx65vv.jpg[/img] But even [I]Saddam Hussein[/I]'s cat preferred neck sizing but its a dying practice. [img]https://i.imgur.com/oYX8YZT.gif[/img] [/QUOTE]
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Neck sizing for accuracy
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