I darned sure am. A significant portion of my affection for the "U" notch is the work of a pistol smith who himself getting older; I think it was Chuck Rogers. He advocated a wider "U" and relatively larger front sight and calls them "old guy" sights. A few years ago, I learned the hard way that I was now in the group that needed such a crutch.

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NHI, 10-8.