Barska 35mm Dual Cantilever Rifle Scope Mount Black Medium. This Rifle Scope Mount utilizes 12 heavy duty screws to secure the scope in place and maintain zero. Specifications for Barska Dual Cantilever Rifle Scope Mount: Manufacturer: Barska Gun Rail: Picatinny Fabric/Material: Aluminum Color: Black Tube Diameter: 35 mm Finish: Black Anodizing Features of Barska Dual Cantilever Rifle Scope Mount Fits Rifle Scopes with 35mm Tube Diameter Picatinny/Weaver-Style Mount Solid One-Piece Construction Rail Type: Picatinny Style Rail Length: 5.25 in Body Material: Aluminum Finish: Black Anodizing Applicable Firearm: Various Package Contents: Barska Dual Cantilever Rifle Scope Mount Barska AW12742: 35mm Dual Cantilever Rifle Scope Mount Black Medium