Kensight DFS Fixed Rear 1911 Night Sight Black. 076" Trijicon Green tritium lamps. The entire sight is wire-EDM cut from a single block of 4140 steel. Distinctive grasping serrations are also wire-EDM cut into the sides of the sight. This rear sight comes paiRed with our standard tritium flat base front sight with a serrated blade. The set is sold with a 0.160'' tall blade but blade heights from 0.150'' to 0.220'' are available upon request. Compatible with Novak type front sight dovetail cuts (0.330" x 65 x 0.075") as typically found on both customized and factory 1911 pistols. Specifications for Kensight DFS Fixed Rear 1911 Night Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Front Blade Height: 0.16 in Illumination Type: Tritium Mount Type: Dovetail Package Contents: Kensight DFS Fixed Rear 1911 Night Sight Kensight 960-602: DFS Fixed Rear 1911 Night Sight Black