Really? The front sight on my CDP is dead, plus something is not right with the slide stop. When I emailed Dennis he said send in the slide and we'll replace the sight and send you a slide stop! Thought that was pretty nice!Actually, Kimber shipped a ton of guns with very short-lived night sights. They're replacing them for free now.
Strictly speaking you are right, however, at one time it was easy to identify what is at least a warranty countdown starting point on a Trijicon- the date was often screened on to the side of the rear sight (and sometimes the top of the front sight).Even though you may have just purchased a gun, there is no way to tell how long the tritium vials that are in the sights have been sitting around before they were installed in the sights.