Kensight LPA TRT Serrated Rounded Blade Tritium Adjustable Rear Night Sight Orange. The rounded corners on the blade and beveled edges on the base drastically Reduce the chance of an unwanted or more so untimely snag. Its serrated blade contains 2 Green or yellow Trijicon tritium lamps that make it perfect for night time defense. White outlines around the tritium gives extra visibility during the day. We recommend a front sight height of 0.180 Tall at minimum on a standard 5slide. Fits certain model Charles Daly Para-Ordnance Springfield Armory Nowlin Olympic Arms and High Standard 1911 slides with LPA adjustable sight cut. This rear sight is paiRed with our ProGlo tritium night sight with a lumi outline that comes with a 0.118'' wide blade and a contoured base that keeps your round-top slide and the sight's dovetail uniform resulting in a clean installation that requires little (if any) filing to accomplish. Compatible with standard Novak type front sight dovetail cuts (0.330" x 65 x 0.075") as typically found on both custom and factory 1911 pistols. Specifications for Kensight LPA TRT Serrated Rounded Blade Tritium Adjustable Rear Night Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Package Contents: Kensight LPA TRT Serrated Rounded Blade Tritium Adjustable Rear Night Sight Kensight 980-253: LPA TRT Serrated Rounded Blade Tritium Adjustable Rear Night Sight Orange