The Warne Maxima Horizontal Quick Detach scope rings are precision-engineered in Tualatin Oregon using proprietary sintered steel technology for unwavering strength and accuracy in a traditional design.Warne Maxima 1" Medium Quick Detach Scope RingsFits 1" optics with medium height clearanceIndexable quick detach lever for toolless removal and attachment4 screw ring caps for easy installation and superior holding strengthReturn to Zero guarantee maintains accuracyMatte black finish for reduced glareProprietary sintered steel constructionIdeal for hunters and shooters who need reliable repeatable scope mounting with the convenience of quick removal without losing zero accuracy.