You don't hear too much about these. As a rule, do they require less fitting than the Meprolights which personally I have had two bad experiences with now - a lot of fitting to get them on and then I did not like the way they sat in the dovetail. Trijicon does not however offer a dedicated set for the P99 compact. How do the regular Trijicon night sights work on the compact? I'd be intrested in a comparison between the Trijicon brand and the Mepros. Thanks.