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.243 won't chamber

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.243 won't chamber

Old 03-28-2009, 09:04 AM
  #1  
Fork Horn
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Default .243 won't chamber

I have been loading my .243 for 5 or so years now with no problems until now. The last 100 rounds I loaded have a few that won't chamber. Most go in with some resistance, but I have noticed maybe 1 in 20 won't chamber at all. I have double checked my c.o.l and my die setting. Its a full length sizer and the rifle is a bolt. Is my die worn out? I did buy it used. Any help would be greatly appreciated.
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Old 03-28-2009, 11:13 AM
  #2  
Giant Nontypical
 
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Default RE: .243 won't chamber

I doubt that there's anything wrong with your die. I suspect that some of your brass has gotten to the point that the cases aren't being sized enough. Try screwing it into the press a little more (with those cases only).
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Old 03-28-2009, 01:42 PM
  #3  
Fork Horn
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Default RE: .243 won't chamber

I'll try that. I pulled the bullet, dumped the powder and tried to chamber with no luck. Trimmed case to max trim length and still no luck. I'll screw the die down 1/4 turn and let you know how it works out. Thanks!
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Old 03-29-2009, 06:40 AM
  #4  
Fork Horn
 
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Default RE: .243 won't chamber

ORIGINAL: eldeguello

Try screwing it into the press a little more .
+1
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Old 03-29-2009, 09:01 AM
  #5  
Fork Horn
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Default RE: .243 won't chamber

I have screwed the die in as far as 1 and 1/2 turns and still not chambering. The shell holder is contacting the base of the die, so I know the case is being fed all the way into the die. The only brass that works is once fired Hornady. The brass that is acting up is all other brands. I figured full-length sizing would bring all cases to same size. I wish I had another die to try. I feel I need to pull all my bullets and run all cases through once I alleviate the problem. What else could cause this?
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Old 03-29-2009, 10:09 AM
  #6  
Nontypical Buck
 
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Default RE: .243 won't chamber

Just curious buthave you tried seating your bullet deeper .
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Old 03-29-2009, 11:47 AM
  #7  
Fork Horn
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Default RE: .243 won't chamber

Halcon, I pulled the bullet and dumped the powder on a few cases and the case themselves will not chamber.
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Old 03-29-2009, 02:14 PM
  #8  
Nontypical Buck
 
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Default RE: .243 won't chamber

If your using a full length die and your cases are the correct length ,close your press,screw yourdie out until ittouches the shell holder ,then open your press and givethe diea quarter turn out . try that setting on a case and see if it will chamber .
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Old 03-29-2009, 04:16 PM
  #9  
DM
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Default RE: .243 won't chamber

How many times have those cases been loaded?? To "high" pressures?

Sometimes cases "spring back" after being sized, and still won't chamber properly. In those cases, you have to size them with a SB die (small base) that you can get from RCBS.

You may be better off throwing away those "few" cases that won't chamber though...

DM
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Old 03-29-2009, 05:26 PM
  #10  
Fork Horn
 
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Default RE: .243 won't chamber

Measure the Headspace before and after you resize the case. It should bump the shoulder back either .002" or .003" if it isn't your die isn't doing what it's supposed to. Also you can compare the headspace from a new unfired case against the one that doesn't chamber. I fireform everything and then bump the shoulders back .001" from the measurement I took from the once fired case evertie I reload.I don't know what sizer die you have but I recomend trying a Redding Die. If that isn't you problem sounds to me like a good like with a bore scope might be helpful.
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