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6/13/2014 3:50:46 PM EDT
Can I install a flash hider with the upper assembly in a upper vice block instead of a barrel block?
6/13/2014 4:30:23 PM EDT
[#1]
You can but it is best not to.  I have done many not using a barrel vice but when I installed one and the barrel turned in the barrel extention, that was it for me.  Theoretically the BE is much tighter and there is no chance of turning it in the BE, but...
The world of theory is a much more reliable place than real-ville.
6/13/2014 7:46:55 PM EDT
[#2]
Went ahead and used the upper vice block.  No issues.  I can see it causing a problem if the muzzle device required greater torque.
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