Kensight LPA TRT Contoured Tritium Adjustable Rear Night Sight Green. This makes it ideal for competition shooting i.e. Bullseye. Fits certain model Charles Daly Para-Ordnance Springfield Armory Nowlin Olympic Arms and High Standard 1911 slides with 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 Contoured 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 Condition: New Condition Quality: Excellent Condition Details: Other Package Contents: Kensight LPA TRT Contoured Tritium Adjustable Rear Night Sight Kensight 990-255: LPA TRT Contoured Tritium Adjustable Rear Night Sight Green