American Defense Mfg. AD-AEMS, Quick Detach Mount, 1.93 High, Anodized Finish, Black, Fits Holosun AEMS AD-AEMS-H-STD 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.