brotherhef Posted April 18, 2011 Share Posted April 18, 2011 I know the barrel nut is usually 35-40 ft lbs...but no more than 80...do you guys use the forumla to factory in the extension of the ar15 wrench or do you just set your torque wrench to x ft lbs and go? I saw a forumla to use with a ar15 wrench but cant find the forum i saw it in. Link to comment Share on other sites More sharing options...
want2race Posted April 18, 2011 Share Posted April 18, 2011 The manual (Army) doesn't figure in the formula. That leads me to believe that 35-40ftlbs is while using the tool, attached to torque wrench. Pretty much overkill to do the math. Link to comment Share on other sites More sharing options...
brotherhef Posted April 18, 2011 Author Share Posted April 18, 2011 right on ...much appreciated! Link to comment Share on other sites More sharing options...
MarkCO Posted April 18, 2011 Share Posted April 18, 2011 I use 45 ft-lbs on the torque wrench. For a standard 18" long wrench, you are only adding about 3 ft-lbs. Link to comment Share on other sites More sharing options...
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