Kensight Marlin 336 Rifle MIL-STD Picatinny Rifle Rail Mount 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 Marlin 336 Rifle MIL-STD Picatinny Rifle Rail Mount: Manufacturer: Kensight Color: Black Fabric/Material: 4140 Chrome Moly Steel Quantity: 1 Gun Make: Marlin Gun Model: Marlin Model 336 Gun Type: Rifle Gun Rail: Picatinny Package Contents: Kensight Marlin 336 Rifle MIL-STD Picatinny Rifle Rail Mount Kensight 660336: Marlin 336 Rifle MIL-STD Picatinny Rifle Rail Mount Black