question, please help


November 26, 2007, 06:14 PM
First off realy new to reloading.

I have an rcbs rock chucker with rcbs dies. while decapping and resizing I noticed the cases came out of the press with dents in the neck and the body. I inspected each case before resizing so I know they were good before hand. I followed all instructions in the manual, stopped reseated the dies as per the manual again and still the cases came out with dents.

Any suggestions? What is causing this?

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November 26, 2007, 06:19 PM
If you are using lube,as in sizing rifle rounds,ur using too much lube.That is the moxt common problem re: dents.

November 26, 2007, 06:22 PM
Ditto; too much lube. Since oil and grease are essentially incompressible, if you have too much on the case, the pressure dents the case. I find a little bit of the spray-on lube works best, and is cleaner to work with.

November 26, 2007, 06:22 PM

etc. etc.

Jim H.

November 26, 2007, 06:37 PM
caliber is .223.

Thanks everyone for the advive, I tried less lube and it worked. being a newbie I thought...... if a little is good more is better, I realy did not want it to stick in the dies.

November 26, 2007, 06:50 PM
check the air hole in the sizer ,its a little hole on the side of the die in about the neck area ,if its open lighten up on the lube.
you may have to clean the lube pad if its saturated.
note though : some styles& types of dies dont have a vent & sizing has to go a little slower as to vent lube & air trapped in the die!!

2 cents worth


November 26, 2007, 09:03 PM
Also you may be forcing them too much. You need to re measure you sizing die strokes. You need to press the ram up just enough to size the case. If you force it any more you will first get the dents around the angle on the neck. They will go all the way around. Try a test comparison. try sizing by raising the ram all the way up. Then re measure and then bring up the ram just to size the case. Pull it out and check it and check the measurement.

November 26, 2007, 09:34 PM
I generally wipe all lube off the neck and shoulder of my cases, as I've found even a little will dent the case. If you're getting dents in the walls, definitely lighten up on the lube. A little goes a long way. I use the Lee lube, which I roll only a slight film on, wipe the neck and shoulder clean with a paper-towel, and let it dry a little before I size.

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