The Mako Group Mepro FT Bullseye Micro Optic Pistol Sight is simple to use and features a revolutionary design that eliminates the needs for a front sight. This unique design is a hybrid design which features Fiber Optic and Tritium and functions similar to a small reflex sight. This single point of aim in the form of an illuminated dot and circle bullseye will help you shoot more accurately. The Mepro FT bullseye is intuitive and allows for ultra fast target acquisition. This sight is ideal for all lighting conditions and can be used for either self defense/personal protection or competition shooting. The FT Bullseye installation is easy and utilizes the pistols existing dovetails. Specifications and Features: Mako Group Mepro FT Bullseye Micro Optic Pistol Sight ML63105G Fiber Optic/Tritium Green Illumination Single Point of Aim Smallest optical sight in the world based on patented optical illumination Superior visibility in all lighting conditions No front sight needed Fast and intuitive target acquisition Fits most existing holsters Simple, easy installation on existing pistol dovetail No Batteries - No Switches - Always On- Always Ready Nighttime Illumination guaranteed for 12 years Fits: for Glock MOS Models