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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 wsm sizing problem
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<blockquote data-quote="Steve Shelp" data-source="post: 22249" data-attributes="member: 22"><p>Rod,</p><p> Darryl has given some very sound advice and would be where I started looking first also.</p><p> In case those suggestions don't work: Something else to consider is that all shellholders aren't made the same. I had an RCBS shellholder for my 223 one time that was to long. They are suppose to be .125" from the surface that the case head sits on by gravity to the top of the shellholder. If the shellholder is to thick or simply runs on the high side of the tolerance zone, and your die runs on the high end of the tolerance zone for the distance from the die base to the shoulder, it's possible to never be able to bump the shoulder back during sizing. This will also effect how your case is sized along the case body for it's diameter dimensions also being the case isn't going deep enough into the sizing die. </p><p> If it does come this this, you can simply buy another shellholder and hope it's right, have a local machine shop grind a couple thousands off from the existing shellholder, or grind off a couple thousands off from the bottom of the die also. Both will have the same end result. </p><p></p><p>Time to get out the calipers and start measuring before and after sized cases to find out if your have a length, diameter, or both problem. </p><p></p><p>Good luck,</p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 22249, member: 22"] Rod, Darryl has given some very sound advice and would be where I started looking first also. In case those suggestions don't work: Something else to consider is that all shellholders aren't made the same. I had an RCBS shellholder for my 223 one time that was to long. They are suppose to be .125" from the surface that the case head sits on by gravity to the top of the shellholder. If the shellholder is to thick or simply runs on the high side of the tolerance zone, and your die runs on the high end of the tolerance zone for the distance from the die base to the shoulder, it's possible to never be able to bump the shoulder back during sizing. This will also effect how your case is sized along the case body for it's diameter dimensions also being the case isn't going deep enough into the sizing die. If it does come this this, you can simply buy another shellholder and hope it's right, have a local machine shop grind a couple thousands off from the existing shellholder, or grind off a couple thousands off from the bottom of the die also. Both will have the same end result. Time to get out the calipers and start measuring before and after sized cases to find out if your have a length, diameter, or both problem. Good luck, Steve [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 wsm sizing problem
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