Suburbazine
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Been fighting with my barrel nut on a Colt 6922 to get it within torque spec but still fit the gas tube. My problem is the barrel, from the factory, was only tightened to 22ft/lbs which is well outside the 30-80# range. However, that entire range falls into the space of a single tooth. 80# is just a hair too tight to pass the tube alignment tool, 30# is right in the middle of the tooth. 22# just scares me. I've got it set at a hair over 80# which should pass the tube fine but worries me as to stressing the upper, plus I rounded off a tooth in the process. I worked it back and forth repeatedly with grease and still can't rotate to torque enough.
Thinking of finding another milspec nut and trying again.
Thinking of finding another milspec nut and trying again.