MaximaA(R) Horizontal(TM) 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. Mfg: Warne Mfg. Company