Kensight GI Series Pistol Sight 1911 M1911-A1 Rear Black. 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 GI Series Pistol Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Rear Sight Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Mount Type: Dovetail Package Contents: Kensight GI Series Pistol Sight What firearm models does the manufacturer say Kensight GI Series Pistol Sight is compatible with? The manufacturer says that Kensight GI Series Pistol Sight is compatible with 1911Kensight 860372: GI Series Pistol Sight 1911 M1911-A1 Rear Black