The Leupold BackCountry Weatherby Mark V Base is a cross-slot, one-piece scope base for the Weatherby Mark V (9 lug) and Vanguard long action (Leupold part no. 171354). It is machined from 7075-T6 aluminum, which Leupold describes as some of its lightest and most rugged mounts yet. The base accepts both Picatinny- and Weaver-style rings, so you can choose rings for your scope. It is built for hunters who want a light, strong base on a Weatherby bolt-action rifle.

Key Specifications

• The base is made for the Weatherby Mark V (9 lug) and Vanguard long action.
• It is a cross-slot design that accepts both Picatinny- and Weaver-style rings.
• The base is a 1-piece configuration.
• It is made of 7075-T6 aluminum, for strength at low weight.
• Leupold lists the base with no base cant.
• It weighs 1.8 ounces.
• The length is 6.3 inches.
• Base and receiver screws are tightened to 22 inch-pounds.
• The finish is matte.
• It is made in the USA.

Frequently Asked Questions

Which Weatherby rifles does this base fit? Leupold lists it for the Weatherby Mark V (9 lug) and the Vanguard long action.

What rings does it take? It accepts both Picatinny- and Weaver-style rings.

What torque should the base screws use? Leupold lists base and receiver screw torque as 22 inch-pounds.

Buy the Leupold BackCountry Cross-Slot Base, Weatherby Mark V/Vanguard Long Action

A solid one-piece base is the foundation of a hunting rifle optic, and this one adds little weight to a Weatherby. Order it from our Lubbock, Texas gun shop for fast direct shipping, and see more scope bases.