Maxima Horizontal scope rings are designed, engineered and manufactured by our expert staff in Tualatin, Oregon. Utilizing proprietary sintered steel technology, Maxima Horizontal offers unwavering strength and precision in a stylish, yet traditional form. 4 screw ring caps, along with a unique recoil key and clamp offer easy installation and unrivaled holding strength. With classic lines, and Warne?s return to zero guarantee, Maxima Horizontal are the new standard. Warne Maxima Horizontal Rings evolved from the concept of incorporating the world renowned performance, materials and reputation of Maxima rings in a more traditional, horizontally split configuration. Maxima Horizontal rings include several design features that enhance performance, ease installation and include the return to zero guarantee that Warne is known for. Maxima scope rings from Warne Scope Mounts offer lightweight strength and performance. Our Maxima Horizontal line of scope rings features a traditional horizontal split for those who prefer it. We incorporate that design without sacrificing our standards for quality, however. These Warne Maxima medium height rings fit 1-inch scopes on Picatinny and Weaver rails and use a proprietary sintered steel composition for outstanding performance. Screw ring caps and a unique recoil key and clamp give you easy installation and surprising holding strength. -CNC machined from sintered steel for superior strength and clamping benefits. -Square, permanently installed recoil keys for positive engagement of ring to base. -Rings mount securely around scope using 4 Torx T-15 cap screws, 2 screws for each clamp -STANAG 4694 interface allows for better return to zero and rigidity -Fits both Picatinny & weaver style bases -Available in 1 inch and 30mm -Designed and Made in USA Part Number: 501M Fits Objective Size: 42mm Height: Medium Dimension A: 1 ich Dimension B: 0.375 inch Dimension C: 0.650 inch Finish Color: Matte Black Weight: 5.9 oz Material: Steel Fits Objective Up To: 42mm Scope Tube Diameter: 1 inch Fits: Maxima/Weaver Bases and Picatinny Rails