The AD-RMR-LW Mount by American Defense Manufacturing is a perfect option for mounting the Trijicon RMR (and other optics with the RMR footprint) onto small PDW firearms such as AR-style pistols. This compact, lightweight mount is available in low, co-witness, and lower 1/3 co-witnessing heights. The AD-RMR-LW is also available with either the standard or the TAC lever – both of which feature the patented QD Auto Lock Lever, allowing the AD-RMR-LW to accommodate in-spec and out of spec rails. Features of the AD-RMR-LW: The AD-RMR-LW QD mount features the Patented QD Auto Lock Lever system. Does not require proprietary tools for adjustment. Can be adjusted with your finger or a flat blade screwdriver. Lever can be configured to lock to the front or the rear. Superior clamping surface to insure maximum rail engagement.30% lighter than our standard RMR Mount. Includes 6-32x1/2" FHCS mounting screws. ADM USED Lightweight Low Profile QD RMR Mount w/LH STD Lever AD-RMR-LW-L-STD - Excellent Condition USED8189