Kensight Pistol Sight Elevation Screw 6-49 Ruger MKII/MKIII/MKIV Black. We cannot guarantee that this elevation screw will work on sights made by other manufactures. Overall: .238'' long; Head: .078'' x .325'' dia; Threads: .160'' long x .131'' diameter 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 Pistol Sight Elevation Screw 6-48: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: Ruger 77 MKII Hawkeye Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Mount Type: Dovetail Package Contents: Kensight Pistol Sight Elevation Screw 6-48 What firearm models does the manufacturer say Kensight Pistol Sight Elevation Screw 6-48 is compatible with? The manufacturer suggests that Kensight Pistol Sight Elevation Screw 6-48 is compatible with Ruger 77 MKII HawkeyeKensight 840910: Pistol Sight Elevation Screw 6-49 Ruger MKII/MKIII/MKIV Black