The American Defense AD-DELTA cantilever scope mount is precision-engineered for mounting high-power optics on AR-15 flattop platforms with 34mm rings and 1.93" height for optimal eye relief and NV compatibility.American Defense AD-DELTA Cantilever Scope Mount34mm ring diameter with 4.4" ring spacing1.93" height ideal for use with night vision or gas masks2" of built-in eye relief for comfortable shootingPatented QD Auto Lock Lever system for secure mountingPrecision machined from 6061 T6 aluminumHard coat T3 Mil-Spec anodized finishHorizontal split rings for easy optic installationTool-free adjustment with finger or flathead screwdriverCompatible with in-spec and out-of-spec Picatinny railsPerfect for tactical applications long-range shooting and scenarios requiring night vision compatibility. The robust construction and quick-detach system make this mount ideal for professional and recreational shooters demanding reliability and precision.