Kensight Rollo Low-Profile Flat Base Adjustable Combat Fiber Optic Pistol Sight Set 1911 Rear/Front Black. Same range of windage and elevation adjustments asB Series sights but easier to carry. Can be mounted on the 1911 slide in the old National Match style that was popular in the early 1960s or for carry use mounted slightly forward of the rear edge of the slide using the Caspian Arms Rollo cut. This rear sight comes paiRed withflat base fiber optic blade front sight which incorporates a bright fiber optic rod that draws the shooter's eye to the front post for sight acquisition and recovery. This flat base is ideal for those with a flat-topped slide or for those intending to file and blend the front sight base to match the contour of their pistol's slide for seamless installation. Wire-EDM machined from 4140 chrome moly steel and heat treated to a hardness of RC 38-40 this front sight is definitely going to withstand the test of time. This sight comes with a 0.100'' wide blade that is partially serrated. the Fiber optic rod is 0.060'' in diameter and is well shielded while also offering superior visibility. Compatible with Novak type front sight dovetail cuts (0.330'' x 65degrees x 0.075'') as typically found on both customized and factory 1911 pistols. TECHNICAL INFORMATION: Material: 4140 chrome-moly steel Sight Body Dimensions: 1.335'' x 0.689'' x 0.43'' Blade Notch Dimensions: 0.119'' x 0.08''. 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 Rollo Low-Profile Fiber Optic Flat Base Adjustable Combat Sight Set: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Front Sight Color: Black Rear Sight Color: Black Sight Style: Beveled Flat Base Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Sight Position: Front and Rear Mount Type: Dovetail Package Contents: Kensight Rollo Low-Profile Fiber Optic Flat Base Adjustable Combat Sight Set What firearm models does the manufacturer say Kensight Rollo Low-Profile Fiber Optic Flat Base Adjustable Combat Sight Set is compatible with? The manufacturer suggests that Kensight Rollo Low-Profile Fiber Optic Flat Base Adjustable Combat Sight Set is compatible with 1911Kensight 930008: Rollo Low-Profile Flat Base Adjustable Combat Fiber Optic Pistol Sight Set 1911 Rear/Front Black