American Defense Manufacturing Trijicon RMR Lightweight QD Mount Tactical Legacy Lever Low Height Flat Dark Earth. The AD-RMR-LW QD mount is a one piece unit that offers low co-witness and lower 1/3 co-witness optic height. This mount will fit the RMR SRO and similar red dots that share the same mounting footprint. Offered in both standard or TAC lever 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. Specifications for American Defense Manufacturing Trijicon RMR Lightweight QD Mount: Manufacturer: American Defense Manufacturing Finish: T3 Mil-Spec Anodize Fabric/Material: 6061-T6 Aluminum Red Dot Sights-Footprint: RMR Optic Cut: Trijicon RMR Weight: 3.5 oz Mount Type: Picatinny Features of American Defense Manufacturing Trijicon RMR Lightweight QD Mount 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. 30percent lighter than our standard RMR Mount. Includes 6-32x1/2" FHCS mounting screws. Precision machined from 6061 T6 Aluminum. Finished in hard coat type 3 Mil-Spec anodize for a rock hard lasting finish. Features the Patented QD Auto Lock Lever system which is fully adjustable to fit both in spec and out of spec rail systems. Package Contents: American Defense Manufacturing Trijicon RMR Lightweight QD Mount American Defense Manufacturing AD-RMR-LW-L-FDE-TAC: Trijicon RMR Lightweight QD Mount Tactical Legacy Lever Low Height Flat Dark Earth