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Rifles, Reloading, Optics, Equipment
Reloading
F/L sizing
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<blockquote data-quote="bigedp51" data-source="post: 1187434" data-attributes="member: 28965"><p>Full length resizing according to the dies directions and making hard contact with the shell holder makes sure the resized case will fit any chamber. </p><p></p><p>Bumping the shoulder back .001 to .002 makes the case a custom fit for your chamber.</p><p></p><p>Below if the die is not adjusted far enough down (blue line) the full length sized case will be longer than the chamber.</p><p></p><p>At the green line is where the dies directions have you sizing the case and pushing the shoulder back too far for "YOUR" chamber.</p><p></p><p>And .001 to .002 below the red line is a custom fit to your chamber.</p><p></p><p> <img src="http://i122.photobucket.com/albums/o254/bigedp51/shouldersetback_zpsrefii5sv.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Below a fired un-resized case from my AR15 carbine.</p><p></p><p><img src="http://i122.photobucket.com/albums/o254/bigedp51/headspacegauge005_zps20685e73.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Below the same case after full length resizing and .003 shoulder bump.</p><p></p><p><img src="http://i122.photobucket.com/albums/o254/bigedp51/headspacegauge004_zps4465b7bc.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Below when the case above was full length resized I used the Redding competition shell holder on the left. The competition shell holder on the left is a + .004 shell holder, meaning it pushed the case into the die .004 less than the standardshell holder on the right. The press is still adjusted to cam over but the deck hight of the shell holder is .004 lower than a standard shell holder.</p><p></p><p><img src="http://i122.photobucket.com/albums/o254/bigedp51/shellholders_zps0f9bb695.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>If I had used the standard shell holder on the right above and the die setup as per the instructions the shoulder of the case would have been set back .007.</p><p></p><p>If I would have set the shoulder back .007 every time I resized the case it would have had a case head separation much, much sooner than minimum shoulder bump.</p><p></p><p>We live in a plus and minus manufacturing world and no two dies and chambers are the same. And your dies are threaded and can be adjusted up and down for a custom fit for any chamber.</p></blockquote><p></p>
[QUOTE="bigedp51, post: 1187434, member: 28965"] Full length resizing according to the dies directions and making hard contact with the shell holder makes sure the resized case will fit any chamber. Bumping the shoulder back .001 to .002 makes the case a custom fit for your chamber. Below if the die is not adjusted far enough down (blue line) the full length sized case will be longer than the chamber. At the green line is where the dies directions have you sizing the case and pushing the shoulder back too far for "YOUR" chamber. And .001 to .002 below the red line is a custom fit to your chamber. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/shouldersetback_zpsrefii5sv.jpg[/IMG] Below a fired un-resized case from my AR15 carbine. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/headspacegauge005_zps20685e73.jpg[/IMG] Below the same case after full length resizing and .003 shoulder bump. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/headspacegauge004_zps4465b7bc.jpg[/IMG] Below when the case above was full length resized I used the Redding competition shell holder on the left. The competition shell holder on the left is a + .004 shell holder, meaning it pushed the case into the die .004 less than the standardshell holder on the right. The press is still adjusted to cam over but the deck hight of the shell holder is .004 lower than a standard shell holder. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/shellholders_zps0f9bb695.jpg[/IMG] If I had used the standard shell holder on the right above and the die setup as per the instructions the shoulder of the case would have been set back .007. If I would have set the shoulder back .007 every time I resized the case it would have had a case head separation much, much sooner than minimum shoulder bump. We live in a plus and minus manufacturing world and no two dies and chambers are the same. And your dies are threaded and can be adjusted up and down for a custom fit for any chamber. [/QUOTE]
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