Vanguard Precision Steel Rings High Weaver Base 30mm Rings 30MM High. Maximize your efficiency and effectiveness with the new assortment of Endeavor riflescope accessories to compliment your riflescope. Appealing to the hunter and sport shooter who understands that success is attained by equipment that is optimized for the application. The Endeavor riflescope accessories are constructed from the highest quality materials to handle whatever is thrown at them. Designed and made by Vanguard; The Endeavor 30MM High Mount Rifle Scope Rings are precision CNC machined from solid bar stock steel for strength and durability. The premium style ring design is delivered via the robust slotted hex nut platform for fastening to the base and four hex screws on both the front and back ring to ensure the best grip with uniform retention. Weight reduction was successfully achieved through the removal of non-compromising material. A non-reflective matte black finish is available in Low Medium and High for both Weaver and Picatinny style mounting systems. These new Vanguard 30MM steel rings are designed with appeal strength and extreme value in mind. Allen wrench provided. Specifications for Vanguard Precision Steel Rings: Manufacturer: Vanguard Tube Diameter: 30 mm Fabric/Material: Solid Bar Stock Steel Color: Black Mount Type: Weaver Gun Rail: Weaver Picatinny Package Contents: Vanguard Precision Steel Rings Vanguard Rings 30MM High W: Precision Steel Rings High Weaver Base 30mm