Leupold Standard 1 Piece Mount Base Winchester Model 70A Gloss Black. Leupold constructed these Rifle Scope Bases & Rails from rugged steel and the one-piece design is extra sturdy. These Leupold STD 1PC 1-Piece Bases are versatile and available for several different firearm models. Grab one of these Leupold STD 1-pc Mounting Bases to guarantee your scope is properly secured. Specifications for Leupold STD 1PC 1-Piece Bases: Manufacturer: Leupold Fabric/Material: Machined steel Forged Steel Quantity: 1 Gun Type: Rifle Condition: New Features of Leupold STD 1PC 1-Piece Bases: Versatile and available for many different rifles Windage Adjustable (STD Mounts) Package Contents: Leupold STD 1PC 1-Piece Bases Leupold Standard 1 Piece Mount Base Winchester Model 70A Gloss Black 50000