These are the BEST adjustable sights on the market for the XD that do not require milling the slide. These fit the XD and XDM. You will need the front sight to go with the adjustable rear sight, you can find this under adjustable front sight. Not only used by the some of the world's best shooters, but also a great choice for duty and recreation use. Dave Dawson is one of the best sight makers in the country and stands behind his products and is our first choice for sights. Take your choice from target (black), fiber optic, and tritium sights and you can chose your sight's widths too. Don't be afraid to mix and match as your vision dictates. You will need the front sight to go with the adjustable rear sight, you can find this under adjustable front sight. *** Not compatible with the 5.25***