Description Mount your optics with confidence using the Leupold BackCountry Cross?Slot Base designed for Weatherby Mark V (9 Lug) and Vanguard Long Action rifles. This one-piece base is precision-machined from 7075?T6 aircraft-grade aluminum for exceptional strength without unnecessary weight. Its matte-black finish reduces glare and resists corrosion, while the universal cross-slot design ensures compatibility with both Picatinny and Weaver-style rings. Built in the USA, this rugged base is perfect for hunters and long-range shooters who demand reliability and performance.Product Details:Lightweight 7075?T6 aircraft-grade aluminum constructionOne-piece design for maximum strength and zero retentionUniversal cross-slot interface fits Picatinny & Weaver ringsMatte-black finish for glare reduction and corrosion resistanceDesigned for Weatherby Mark V (9 Lug) and Vanguard Long Action riflesMade in the USA for superior qualitySpecifications:Brand: LeupoldFit: Weatherby Mark V (9 Lug) & Vanguard Long ActionMaterial: 7075?T6 aircraft-grade aluminumFinish: Matte blackElevation Cant: 0MOA (flat)Compatibility: Picatinny & Weaver ringsPieces: One-piece baseHardware Included: Mounting screwsWeight: Approx. 2.5ozLength: About 6.7"Torque Spec: 22in-lb. for base-to-receiver screwsBase Cant: NoBase Configuration: 1 PieceMade In: USALeupold BackCountry cross-slot bases are made of 7075-T6 aluminum, making them some of our lightest and most rugged mounts yet. 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. Thatâs 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. Made in the USA and guaranteed to hold up to a lifetime of abuse, Leupold mounts will never let you down.