Designed engineered and manufactured by our expert staff in Tualatin Oregon. Utilizing proprietary sintered steel technology Warne Maxima Horizontal Fixed scope rings offer 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.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 clampSTANAG 4694 interface allows for better return to zero and rigidityFits both Picatinny & Weaver style basesAvailable in 1 inch and 30mmDesigned and Made in USA