The American Defense 30mm Cantilever Scope Mount features a 20 MOA cant and 2-inch rise with the patented QD Auto Lock System for reliable optic mounting.American Defense 30mm 20 MOA Cantilever MountPatented QD Auto Lock System for secure attachment20 MOA built-in cant for long-range shooting2-inch cantilever design for proper eye reliefPrecise manufacturing for consistent performanceDurable black finish constructionLong-term reliability and durabilityIdeal for tactical and precision shooting applications where reliable optic mounting and long-range capability are essential.