American Defense Mfg. Lightweight TR, Quick Detatch Mount, Co-Witness, RMSc Footprint, Anodized Finish, Black AD-TR-LW-10-STD 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.