Kensight Heavy Duty Rifle Rail Mount 1/2'' Flat Top Riser 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 Heavy Duty Rifle Rail Mount: Manufacturer: Kensight Color: Black Finish: Matte Black Fabric/Material: Steel Gun Type: Rifle Condition: New Gun Rail: Picatinny Package Contents: Kensight Heavy Duty Rifle Rail Mount Kensight 660502: Heavy Duty Rifle Rail Mount 1/2'' Flat Top Riser Black