4.5 xdm here
Looooove the trigger
Don't really like the relation of the bore axis center line coming off a Glock
Awesome shooter
If you dry fire a lot you WILL eventually break the striker retaining pin. I've broken two, I keep 3-5 spares on hand.
Filed strip ubber easy.
Detail Strip not as easy as a Glock, especially the slide but once you buy or make the funky tool to remove the extractor and have the proper size punch for removing the striker retaining pin then have the right starter punch to reinstall striker retaining pin so you don't damage it....not so bad.
other than that, all good
NOTE: striker retaining pin MUST be removed in the direction of bottom to top. The pin must exit out of the top of the slide. The pin is in a tapered hole.