The mepro ft bullseye is a small low profile optical pistol sight.Similar to reflex sights the bullseye provides the shooter with an aim point in the form of an illuminated dot and circle bullseye.The fiber-optic tritium combination enables instant and accurate shooting in all lighting conditions with no batteries needed.Always ready no switches.Easy installation on existing pistol dovetail and fits most holsters.Rear Color: GreenType: Tritium RearFrame Material: SteelFrame Color: BlackFirearm Fit: GlockStyle: Fixed RearRear Material: Tritium