The AD-AEMS mount is designed as a QD replacement mount for the Holosun AEMS Red Dot. Available in absolute co-witness, lower 1/3 co-witness, 1.93" and 2.33" NV heights. The Holosun AEMS Low Mount is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize and features the Patented QD Auto Lock(tm) Lever system to accommodate both in spec and out of spec rail systems.Features :The AD-AEMS mount features the Patented QD Auto Lock Lever systemDoes not require proprietary tools for adjustmentCan be adjusted with your finger or a flat blade screwdriverLever can be configured to lock to the front or the rearPrecision machined from 6061 T6 AluminumHard coat anodized for a lifetime of performanceFully adjustable to fit both in spec and out of spec rail systems"2.33" Night Vision height,