Roger, I notice in that picture that your 19 has the rear sight cranked up real high. This is the same with mine. It made me kind of uneasy having to put so much elevation on the rear sight to zero it. Is this common on the 4" 19s ? I know on my 6" 19, the sight isn't near as high, I figured it was peculiar to the 4" but it stil didn't look right to me. Mine is about at the limit of it's elevation. In fact I turned the screw farther than I would have liked, I was afraid of damaging something.