I have no knowledge of any of Glock's future plans. In truth, my guesses and prognostication have only been about 5% correct. That said, I don't think they'll change the location of the serial number plate. Maybe if there was a huge number of requests and they thought it would sell. And do the same thing to G43. But again, I wouldn't hold my breath. I've not done any research on the European response, but if the railed version has sold a lot better than the unrailed version, maybe that would influence them. Keep in mind, most American Glock owners probably don't know about the European version.