Kensight 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight Black. The 0.200'' tall rear sight pairs nicely with a .150''-.180'' tall front sight on a standard 5'' slide. The sight includes two 0.070'' Arctic White Dots for quick target acquisition. TECHNICAL INFORMATION: Material: 4140 Chrome Moly Steel Finish: Black Oxide Rear Sight Blade Type: 0.70'' Recessed Arctic White Dots Sight Dovetail:''GI'' or MIL-SPEC Government Dovetail Dovetail Dimensions: .348'' x 65degrees x 108'' 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 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: Colt 1911A1 Color: Black Front Sight Color: Green w/White Outline Rear Sight Color: Green w/White Outline Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Height: 0.23 in Mount Type: Dovetail Features of Kensight 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Sight: Finish: Black Oxide Rear Sight Blade Type: 0.70" Recessed Arctic White Dots Sight Dovetail:"GI" or MIL-SPEC Government Dovetail Dovetail Dimensions: .348" x 65" x 108" Package Contents: Kensight 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight What firearm models does the manufacturer say Kensight 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight is compatible with? The manufacturer says that Kensight 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight is compatible with Colt 1911A1Kensight 860201: 1911 A1 Mil-Spec GI Series Government Model Fixed Arctic White Rear Pistol Sight Black