Kensight Springfield Rounded Blade Tritium Rear Sight Orange 981-253. 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 Springfield adjustable sight cut. This rear sight comes paiRed with our Springfield 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 60 x 0.075") as typically found on both customized and factory 1911 pistols. Specifications for Kensight Springfield Rounded Blade Tritium Rear 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 Springfield Rounded Blade Tritium Rear Sight Kensight 981-253: Springfield Rounded Blade Tritium Rear Sight Orange