Meprolight FT Bullseye Fiber Optic Rear Sight for Glock MOS Models Green Tritium

FeaturesSmallest optical sight in the world based on patented optical illuminationSuperior visibility in all lighting conditionsNo front sight neededFast and intuitive target acquisitionFits most existing holstersSimple, easy installation on existing pistol dovetailNo batteries - No switches - Always On Always ReadyNighttime illumination guaranteed for 12 yearsBased on an optical illumination patent, the Mepro FT Bullseye is an extremely small (smallest optical sight in the world), low profile,