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Old November 16, 2012, 12:09 PM   #1
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Any one use the RCBS-X dies for their AR15?

I am thinking of getting the X- die small base for my new AR15 and I thought I would ask you all what you thought of them. So if you have tried them let me know what you think.

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Last edited by grubbylabs; November 16, 2012 at 02:26 PM.
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Old November 16, 2012, 08:29 PM   #2
Steve in PA
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X-die for .223 and .30/06, neither is small base. No need for SB and yes, they work as designed.
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Old November 19, 2012, 04:36 AM   #3
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Agree with Steve. I am only up to about four reloads per case using the XDie but cases stay as set by the die.

I have no idea why the instructions say to trim to 0.020" less than max length as that is usually 0.010" less than normal trim to length. You adjust the Xdie to match the trim length so it should not matter what length that is.

I initially trimmed to 1.740" but after a while saw no need and now trim to 1.750" and readjusted the Xdie to match.

Do a web search and you will find a couple of articles where guys did extensive testing and gave up after 20 reloads with no sign of case failure.

I also use Xdies for .308 and .30-06. Shoot in AR15s, Garands, and PTR91 no issues.
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Old November 20, 2012, 08:02 PM   #4
Whisper 300
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Use my X-Die in a 308 DPMS.

Up to 5th reloading and no lengthening yet.

No need to use small base for me either.

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Old November 20, 2012, 08:15 PM   #5
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I use the small base dies along with the Wilson case gage, I've reloaded some about 4 times with very little trimming. I also use the Lee trim length gage.
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Old November 23, 2012, 01:51 PM   #6
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Use one to feed a custom match Garand. Well over ten reloads per case and no trimming or signs of brass defects yet.
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Old November 24, 2012, 09:54 PM   #7
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I used one was told the same thing tried my full length die works as good so I have a x die setting on reloading table.
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