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3/20/2017 5:03:23 PM
Posted: 4/3/2013 4:56:51 PM EDT
[Last Edit: 4/3/2013 4:59:09 PM EDT by smitty2013]
Hey Guys,

I got a set of 5.56 go and no go gauges for my 5.56 barrel. I have tried two different BCGs and the go and no go gauges are not locking up but an actual round is. Should I be concerned with this?

Thanks, Wes
Link Posted: 4/3/2013 4:59:56 PM EDT
Use only the bolt, stripped of the extractor and ejector.
If it is truely 5.56 gauge and the GO gauge does not close on the barrel, you may have a .223 chamber.

Check with the bolt stripped first.
Link Posted: 4/3/2013 5:07:28 PM EDT
Originally Posted By a308garand:
Use only the bolt, stripped of the extractor and ejector.
If it is truely 5.56 gauge and the GO gauge does not close on the barrel, you may have a .223 chamber.

Check with the bolt stripped first.


I have stripped the bolt for the test. The gauges are marked 5.56 Go and 5.56 No Go. The Barrel is a JoeBobOutfitters 5.56 stamped stainless steel.
Link Posted: 4/3/2013 5:30:11 PM EDT
Link Posted: 4/3/2013 5:49:16 PM EDT
Originally Posted By Dano523:
Barrel should be reamed 5.56, so it either the bolt or the barrel that is out of spec.

Give them a call to go over the problem.

http://www.joeboboutfitters.com/


I just sent them an email. Hopefully we can resolve the problem. I appreciate the help you guys.
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