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Old March 14th, 2012, 08:37   #4
MaciekA
 
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Join Date: Jun 2011
Location: Portland, Oregon, USA
Quote:
Originally Posted by AngelusNex View Post
i found this caused my barrel to point down about 5 degrees, which made it nearly impossible to zero any optics to it.
I found this to be the case on the stock gun with no modifications and traced it to a looseness of the barrel adjustment / retaining screws at the underside of the base of the handguard. It's not too hard to fix but it is definitely something to watch out for.
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