Leupold BackCountry Cross-Slot Browning Weatherby Mark 5/Vanguard Long Action 1 Piece 20 MOA Rifle Rail Mount Matte Black. This BackCountry cross-slot base is designed to fit a Weatherby Mark 5/Vanguard Long Action and accepts both Picatinny- and Weaver-style rings. Nothing is more crucial than the link between your scope and firearm. Thats why our mounts are every bit as rugged and dependable as the Leupold optics they secure. And with a huge variety of mounting systems to choose from you're sure to find the perfect match for your firearm and style of shooting. Guaranteed to hold up to a lifetime of abuse Leupold mounts will never let you down. Specifications for Leupold Backcountry Cross Slot 1PC Remington 700 Short/Long Action Rifle Rail Mount: Manufacturer: Leupold Color: Black Finish: Matte Fabric/Material: Aluminum Quantity: 1 Cant: 20 MOA Gun Make: Weatherby Gun Model: Weatherby Vanguard Weatherby Mark V Action Length: Long Action Gun Type: Rifle Length: 9.35 in Ring Type: Weaver Style Package Contents: Leupold Backcountry Cross Slot 1PC Remington 700 Short/Long Action Rifle Rail Mount