Truglo BRITE-SITE tritium sight set Springfield XD, XDM steel tritium green. These high contrast fiber optic sights feature a 3 dot pattern with a single front dot and 2 rear dots. Fiber optic technology lets these lights Gather ambient light and direct it toward the shooter's eyes, making the sights glow bright without the need for batteries. Perfect for all types of daylight shooting.Features:- traditional tritium night sights - uses the brightest tritium available - cnc-machined steel construction - fits standard holsters - snag-resistant design - green front and rear - fits the following models: Springfield XD/XDM".