Kensight Contoured Base Rounded Blade Tritium Pistol Night Sight Springfield Rear/Front Black. 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 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 0.200 Tall at minimum on a standard 1911 slide. This rear sight comes paired withSpringfield tritium contoured front sight with a serrated blade. For this front sight blade heights from 0.150'' to 0.220'' are available upon request. Compatible with Novak type front sight dovetail cuts (0.340'' x 60degrees x 0.075'') as typically found on both customized and factory 1911 pistols. TECHNICAL INFORMATION: Material: 4140 chrome-moly steel Sight Body Dimensions: 1.444'' x 0.689'' x .433'' Dovetail Dimensions: 0.380w x 0.115t x 65degrees Blade Notch Dimensions: 0.1137'' x 0.100'' Authentic Kensight Sights - The Professional's Choice This is an authentic Kensight sight and not to be confused with other brands. When it comes to durability and features the Kensight sights far exceedcompetitors.sights are Wire-EDM machined from a single billet of 4140 chrome-moly steel. The result is a precision sight built with better materials and the Wire-EDM construction ensures the tightest tolerances possible. This translates to ultra-smooth adjustments audible clicks for both windage and elevation and consistent dovetail dimensions in which the ''industry standard'' CNC construction cannot compete. Backed by Limited Lifetime Warranty Kensight 1911 sights are premium quality and the first choice for factory-fit OEM manufactures competition shooters and professional's worldwide. Specifications for Kensight Contoured Base Rounded Blade Tritium Pistol Night Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Front Sight Color: Green Rear Sight Color: Tritium Sight Style: Contoured Base Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Package Contents: Kensight Contoured Base Rounded Blade Tritium Pistol Night Sight Kensight 210253: Contoured Base Rounded Blade Tritium Pistol Night Sight Springfield Rear/Front Black