TruGlo TFO 1911 Government W/Novak LoMount Fiber Optic Green TG. Truffle brought fiber-optics to the shooting sports industry years ago for this very reason. They have now paired them with their Truglo tritium night sights to create a consistently bright sight picture?day or night Truglo patented combination of Tritium and Fiber-optic technologies unites the best of both worlds. Whether you are in glaring daylight or complete darkness you can count on TFO to provide a bright and reliable sight picture. Fits Novak LoMount cut .260 Front / .450 Rear (1911 5" Government .45ACP) Ruger SR1911 Models (regardless of barrel length. Novak LoMount cut replacement sights are designed for 1911-style handguns with existing fixed Novak LoMount dovetail cut slides however some fitting may be required. Installation by a competent gunsmith is recommended. Uses Truglo patented TFO technology The ultimate handgun sight Unbelievable transition through all light conditions Glows in the dark No batteries required CNC-machined steel construction Concealed fiber cannot be seen by target Fits standard holsters Snag-resistant design Please note: Yellow fiber-optics are intended to appear less bright than green to increase contrast between front and rear sights. Novak LoMount cut .260 Front / .450 Rear (1911 5 in. Government .45ACP) Ruger SR1911 Models (regardless of barrel length). Specifications for Truglo TG131NTI1 TFO 1911 Government W/Novak LoMount Fiber Optic Green: Manufacturer: TruGlo Gun Model: 1911 Color: Black Front Sight Color: Green Rear Sight Color: Green Fabric/Material: Steel Front Material: Tritium/Fiber Optic Country of Origin: USA Package Contents: Truglo TG131NTI1 TFO 1911 Government W/Novak LoMount Fiber Optic Green The Truglo TG131NTI1 TFO 1911 Government W/Novak LoMount Fiber Optic Green is a quality addition to the TruGlo lineup. For more great deals on Fiber Optic Pistol Sights by TruGlo please browse our TruGlo Gun Parts page. What firearm models does the manufacturer say Truglo TG131NTI1 TFO 1911 Government W/Novak LoMount Fiber Optic Green is compatible with? The manufacturer says that Truglo TG131NTI1 TFO 1911 Government W/Novak LoMount Fiber Optic Green is compatible with 1911TruGlo TG-TG131NT1: TFO 1911 Government W/Novak LoMount Fiber Optic Green