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Old May 27th, 2011, 13:55   #1
MALTV
 
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Join Date: Dec 2008
Location: St. John's, NL
Need help taking off M4 outer Barrel

So i have removed everything from the outer barrel, the sights, etc. But just as i tried to unscrew the barrel i came across this. What seems to be a small nub stopping the barrel from being able to be unscrewed from the upper receiver. Can someone please tell me how to get rid of this so i can take off the outer barrel? Thanks

Here's a photo. Full size the pic so you can have a better look.

[IMG][/IMG]
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