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.223 dies
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 Posted: Tue Sep 1st, 2009 07:01 PM
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bodiebill
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I am using RCBS .223 Rem FL dies and some (10%) of my resized cases will not meet the Wilson Case Gauge dimensions (some will not go in the gauge).
These cases have all been resized in the FL dies.
Why will some gauge ok and others not when using the same FL die?
Should I be using Small Base dies for the oversize cases? or is it time to discard them?



 Posted: Tue Sep 1st, 2009 08:28 PM
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RemMan700
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What gun are you shooting these out of? An AR-15?



 Posted: Tue Sep 1st, 2009 09:05 PM
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bodiebill
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I am going to give a partial answer to my own question.
Just looked at the cases that were problems.
Most of them had burrs on the extraction rim.
Most of these would not go in the Wilson gauge backwards---base in first.
So I lightly tapped them in several times until they went in to the taper section of the gauge. Don't think that I damaged the gauge.
Several of these then passed the gauge limits.
For most of the others I reset my FL die to set the shoulder back further---this has helped.
Might have been the combination of burrs and the should not being set back enough.
Would still like comments and experiences.

Should I use the small base die because these are loaded for my semi- AR15?



 Posted: Wed Sep 2nd, 2009 01:02 PM
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RemMan700
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Yeah the extractor will cause a burr that gets hung up in the gauge. You do not need SB dies unless you are having extraction problems. What type of AR are you using?



 Posted: Wed Sep 2nd, 2009 02:43 PM
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bodiebill - couple of questions.. Were all of your sized cases fired in the same gun? Are your dies and shellholder the same brand? (This is kind of reaching, but sometimes it does make a difference.) When you say "full length sizing", do you bottom out your sizing die on the upstroke of the ram?? In other words, do you run your ram up to the top, and screw the sizing die down firmly onto the shellholder?

If you have done these things, please excuse the questions...

IMO, and in my experience, when you load for an AR15 type rifle, full length sizing is mandatory.. I know that some folks don't, but why take a chance?

If your cases stretch, then IMO, your AR needs attention....:thumbs:



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 Posted: Wed Sep 2nd, 2009 03:49 PM
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I shoot ARs and have a Contender Carbine Kit in 223, I use the small base dies for all of my 223, that is my solution to the problem you are having.

But I have seen where a guy had a Rem 700 that would only shoot factor ammo, the chamber was so tight that reloads wouldn't fit. WE sent some of his fired brass off to Lee with a set of dies and a check, a few months later he go a set of dies that worked for his rifle.

Jerry



 Posted: Wed Sep 2nd, 2009 04:06 PM
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bodiebill
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The dies and shell holder are RCBS.
Yes, I generally follow the instructions and thread the die in until it touches the shell holder in the full up position, then lower the die 1/4-1/3 turn.

The brass is a mix of mine, and range pickup. I try to watch other shooters and ask for their once fired brass.
Probably time to discard the brass that is not fully resized and tight in the Wilson gauge.  Many of these have problems with deformation of the rim during extraction.

Most of my brass has been from a Savage F10 bolt gun.

Only a few from my AR which is relatively new.

What about the RCBS recommendation to use Small Base dies for semi-auto??
I have done this for my M1 Garand and M1A.



 Posted: Wed Sep 2nd, 2009 04:22 PM
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bodiebill, I guess I've been lucky because my Bushmaster digests every brand of reloaded brass, using standard RCBS dies, that I feed it. I load the same way for my Ranch rifle. The only failure to function in my AR that I have had was with a defective mag. No malfunctions in the Ruger when I use factory mags.. :thumbs:



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 Posted: Wed Sep 2nd, 2009 07:43 PM
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swampshooter
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Range pick-ups are a problem waiting to happen. If they won't go into your case guage, base first, before re-sizing I would discard them. Saves a lot of headaches.



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