Warne Vapor Fixed Scope Mounts are rock solid, precision made, and highly affordable. Designed to fit Warne bases, Weaver cross slot, and mil-spec Picatinny bases and rails Aluminum construction with matte black finish For scopes with 30mm tubes 6.25" long Available in Low, Medium and HighLow: Fits: 24-42mm objective Height: .225" Width: .600" Weight: 1.8 oz.Medium: Fits: 42-52mm objective Height: .350" Width: .600" Weight: 2 oz.High: Fits: 50-56mm objective Height: .550" Width: .600" Weight: 2.3 oz. Order today!