So our beloved BCM doesn't know how to measure a barrel either!!!
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Seems they might have some issue with 14.5 anyway. I have read a number of similar accounts, mine seems to be the furthest off of any I've heard of.
Now you guys got me thinking about a 13.7 barrel!!! I hope you are happy
Just not sure about a large can on the end and almost want to go with a brake instead:( Probably louder then my M1a!!!