The Weatherby Vanguard Scope Mounts are high-quality, lightweight aluminum, one-piece ring and base systems designed specifically for the Weatherby Vanguard rifle, offering superior rigidity. These mounts are available for both long and short action models, providing a reliable, no-lapping-required, and durable mounting solution. Specially designed lightweight Weatherby mounts by Talley featuring a unique one-piece design of 7000 Series billet alloy, are available for Weatherby Vanguard rifles in matte black. For all Vanguard Magnum and Standard caliber rifles (Does not fit Mark V Standard caliber rifles). Sold as a pair. Design: One-piece CNC-machined aluminum (7000 Series Billet Alloy) that combines the base and ring for increased strength and lower weight compared to steel. Action Compatibility: Fits Weatherby Vanguard (and similar Howa 1500) actions. Tube Size: 1 inch. Height: Low (Rear Height: .521", Front Height: .400"). Finish: Matte Black Anodized. Installation: Uses 6-48 screws and includes a wrench