MEPROLIGHT combat-proven self-illuminated adjustable night sights enable you to upgrade your capabilities to hit stationary or moving targets under low-light conditions with dramatically increased hit probability.Test results by marksmen and journeymen level shooters have shown an increase of over 85% in hit efficiency, using Meprolight self-illuminated adjustable day/night sights.TRU-DOT adjustable models offer a handgun sighting system for improved rapid instinctive aiming which requires no transition from day to night use. Day and night, the shooter's aiming reference is three solid dots, identical in appearance and location under all light conditions.Designed as replacement parts for the standard weapon sights, Meprolight's Self-Illuminated adjustable night sights can be mounted directly with minor modifications.Superior production methods and rigid quality control have made MeprolightA(R) the first choice among law enforcement agencies, defense decision-makers, and major weapon manufacturers. A full quality program, certified to ISO-9001:2008 and complying with NATO and US Military Specifications is in place. All products and processes at MeprolightA(R) are performed, controlled, and monitored to these demanding quality levels.Meprolight leads the world in OEM and after-market self-illuminated sights for handguns. Designed to replace the existing front and rear sights, the highly visible Tru-DotA(R) adjustable sights are perfect for daylight, low-light, and nighttime conditions.