Springfield Armory XDLW11 interchangeable litewave rear handgun sight. HiViz Springfield Armory XD litewave interchangeable rear sight. Fits Springfield XD and XD-M pistols except the XD 5.25 includes Lite pipes and key to change Lite pipes. The new litewave sight design from hiviz features an innovative, diagonal-wave design that increases durability to the protective exoskeleton and allows for more exposed surface area for the LitePipe to Gather light from all angles, for the brightest sight available. Specifications: - accessories: include LitePipes and key - rear only - fit: XD, XD-M pistols except XD 5.25