The AD-TR-LW QD mount was developed for the EoTech EFLX, Leupold Delta Point/ Delta Point Pro, Vortex Defender for use on AR pistols and other weapon platforms requiring a small, light weight red dot system. The AD-TR-LW QD mount is a one piece unit that offers co-witness, lower 13 co-witness, high (1.93") and night vision (2.33") optic heights. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock Lever system to accommodate both in spec and out of spec rail systems.Features :The AD-TR-LW QD mount features the Patented QD Auto Lock Lever systemDoes not require proprietary tools for adjustmentCan be adjusted with your finger or a flat blade screwdriverPrecision machined from 6061 T6 Aluminum30 percent lighter than standard ADM mountsSuperior clamping surface to insure maximum rail engagementAbsolute Co-Witness Height