The Meprolight ML63120G 63120 is an innovative FT Bullseye micro optic pistol sight. With its revolutionary design, it makes the use of a front sight redundant.This groundbreaking piece integrates the power of tritium technology and fiber optics to create a handgun sight that functions equally well in all light conditions, be it day or night.Its distinctive feature is a singular rear sight that adorns a low-profile design. This ensures it does not catch on clothing, making it fit seamlessly into all holsters.