Meprolight 12224 R4E Optimized Duty Fits All Glock Models Green Front/Rear Black

The R4E Optimized Duty Sights have five elements for sight alignment. It has three verticle features and two horizontal lines which produces a reticle type sight picture that improves target aquisition time. The Tritium enhanced lines on the rear sight help improve target aquisition in low light conditions. This design provides the ability to swiflty line up your sights up on the target, which is vital to any shooter.