Meprolight R4E Optimized Duty Sight Set Full Size Glock Only Orange Front/Orange Rear ML12224 O/O. These Tritium Pistol Sights from Meprolight use tritium to guide your aim at night which means you get a bright aiming point that doesn't require batteries or other power sources to operate making them remarkably reliable for any situation. The Meprolight R4E Full Size Glock Optimized Duty Tritium Sight Set has five elements for sight alignment which guarantees your shots are as precise as possible. Stay on target regardless of your environment with these Meprolight R4E Optimized Duty Glock Night Sights equipped onto your handgun. Specifications for Meprolight R4E Full Size Glock Only Optimized Duty Sight Set: Manufacturer: Meprolight Gun Make: 1911 Platform SIG Sauer Heckler & Koch Glock Color: Black Gun Type: Pistol Illumination Type: Tritium Features of Meprolight R4E Full Size Glock Only Optimized Duty Sight Set: Designed by special forces veterans with years of counter terrorism combat experience Three vertical and 3 horizontal alignment features that the eye automatically lines up while the operator is presenting the weapon to the target This 3X3 alignment design allows for the most rapid sight alignment of any night sights on the market Faster target acquisition quicker sight alignment a more refined sight picture The external construction of ML12224 were specifically engineered for the eventuality of clearing or charging the pistol during one hand operations Package Contents: Meprolight R4E Full Size Glock Only Optimized Duty Sight Set The Meprolight R4E Optimized Duty Sight Set is a quality addition to the Meprolight lineup. For more great deals on Tritium Pistol Sights by Meprolight please browse our Meprolight Gun Parts page. Meprolight 122243901: R4E Optimized Duty Sight Set Full Size Glock Only Orange Front/Orange Rear ML12224 O/O