Leupold BackCountry Cross-Slot 1-Pc Base — Weatherby Mark V

The Leupold BackCountry Cross-Slot one-piece base provides a lightweight, purpose-built mounting platform for Weatherby Mark V and Vanguard long-action receivers. Machined from 7075-T6 aircraft-grade aluminum, it accepts both Picatinny- and Weaver-style rings and is finished in matte black for low reflectivity. This base is offered with a 0 MOA elevation for zero-elevation mounting setups.

Key Specifications

• Material is machined from 7075-T6 aircraft-grade aluminum for a high strength-to-weight ratio.
• Finish is Black Matte to minimize glare.
• Fitment is for Weatherby Mark V / Vanguard Long Action receivers.
• Mount style is a 1-piece base designed to mount directly to the receiver.
• Elevation is 0 MOA for a flat mounting reference.
• Ring compatibility accepts both Picatinny- and Weaver-style rings.
• Number of pieces is 1 (one-piece base).
• Weight is listed as 0.2 (value provided by source).

The BackCountry Cross-Slot base is a straightforward, no-nonsense solution for shooters who want a durable, lightweight mounting platform tailored to Weatherby long-action rifles. Its aircraft-grade construction and cross-slot layout provide flexible ring placement while keeping overall system weight low, making it suitable for field use and precision setups where dependable gear matters.