It's definitely not the way it's screwed on. The surface of the CG that mates with the case was not made at exactly the same contour as the surface of the case. In particular, the ends do not curve down enough or the inner wall of the CG is slightly to large which causes the ends to stick up. I see this on the rep cases all the time, especially the titanium ones. I filed mine down to match better which is why I noticed it and immediately thought rep