I took my newly-built rifle to the range to sight it in with my Romeo 5 red dot. After several shots, I found that the sight mount was loose on the rail. When I tried to tighten it, it acted like the threads were stripped. The screw just kept turning. Upon closer examination, I found that the screw is really, really loose in the screw hole in the mounting piece. It wobbles a lot. In fact, I can hold it up to a light and see light between the threads. Has anyone here seen this before? Thanks.
Mike Fields
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