09-07-2013, 03:28 AM
Back off! There are guys who have torqued past 80ft-lbs, and crushed the upper receiver.
The graphite in grease can do this if moisture gets in there, which is unlikely.
The graphite in grease can do this if moisture gets in there, which is unlikely.
Quote:The big reason to avoid graphite-based greases for the barrel nut is that graphite is at the far end of the galvanic series (the cathodic end) and could cause both of the metals to corrode. Personal take: when it's in a grease that keeps moisture sealed out it's probably not the end of the world, but it doesn't hurt to avoid it, either.http://www.m4carbine.net/showthread.php?t=36888