Built on decades of military innovation and service, Meprolight's tritium technology has set the standard for tritium illuminance in the industry. The Mepro Hyper-Bright family of pistol sights redefines this benchmark, delivering unparalleled brightness from bright daylight to total darkness and everything in between. The Mepro Hyper-Bright fixed Day and Night Sights offer the most reliable illumination, day or night. Featuring an exceptionally bright contrast-colored ring, these sights facilitate fast and accurate target acquisition in daylight. In low-light and no-light conditions, both the rear and front tritium sources emit a vibrant green glow, instilling confidence for precise shooting when it matters most. Engineered with premium Swiss-made tritium vials, these sights excel in low-light situations. The U-notch design of the rear sight naturally directs your eyes to the top of the front sight, enhancing alignment. Designed as direct upgrades to factory sights, Mepro Hyper-Bright sights fit all holsters seamlessly. Constructed from ultralight steel, these sights are drop-proof, shockproof and built to endure extreme conditions. The snag-free design ensures quick and easy weapon draws, providing peace of mind in any environment. With no batteries required, Mepro Hyper-Bright sights are always on and ready, 24/7, for a guaranteed 12 years of tritium illuminance. Maintenance-free and easily installable without modifications to your factory slide, the Mepro Hyper-Bright sights offer a unique advantage they are bright enough to allow both eyes to remain open for improved situational awareness and target acquisition. Equip your firearm with Mepro Hyper-Bright sights and experience the difference in performance and reliability.