Truglo Tritium Fiber Optic Brite-Site Handgun LoMount Sight For1911 3 Inch Officers and 4.25 Inch Commander 9mm/.40S&W Cut .270 Front/.500 Rear

Unmatched visibility in all shooting conditions 24/7. Glows in the dark. Utilizes quality Swiss tritium for maximum brightness. No batteries required. Concealed fiber can not be seen by target. Fortress Finish provides a permanent protective coating for maximum protection. Snag resistant design. Fits standard holsters.