I have the problem of my XD9 service model shooting about 6 inches high at 30 to 50 yards. I don't experience the problem with my xd357 sm. I'm going to buy adjustable sights for my XD9 to fix the problem. Any of you familiar with Dawson Precision sights? What are some other good sights to look into? I'm only looking for sights that fit into the standard cuts without any additional milling of the slide. Any feedback would be appreciated.