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Posted: 2/29/2008 6:30:03 AM EDT
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Have there been any problems with superior arms lowers in the 4000 ser# range? I remember some time ago about some problems with the bolt catch machining, but didn't find anything in a search. I just have an opportunity to pick up a couple stripped lowers and wanted to be sure they are ok. Only thing I have noticed in looking at them is that one has a bulge on the side of where the trigger set screw is machined. I slid a standard pistol grip on it and it was a little tight but worked fine. Thanks C |
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