American Defense Manufacturing Aimpoint TR Lightweight T1/T2 COWITNESS Height TAC Lever Red Dot Mount Black. The AD-TR-LW QD mount is a one piece unit that offers co-witness lower 1?3 co-witness high (1.93") and night vision (2.33") optic heights. 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 Aimpoint TR Lightweight T1/T2 Red Dot Mount: Manufacturer: American Defense Manufacturing Color: Black Finish: Anodized Gun Type: Rifle Fabric/Material: 6061-T6 Aluminum Base/Mount Type: QD mount Red Dot Sights-Footprint: Not Applicable Optic Cut: Leupold DeltaPoint Pro Hand: Ambidextrous Length: 1.8 in Width: 1.1 in Features of American Defense Manufacturing Aimpoint TR Lightweight T1/T2 Lightweight Standart Lever Red Dot 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 mounts Package Contents: American Defense Manufacturing Aimpoint TR Lightweight T1/T2 Lightweight Standart Lever Red Dot Mount American Defense Manufacturing AD-TR-LW-10-TAC: Aimpoint TR Lightweight T1/T2 COWITNESS Height TAC Lever Red Dot Mount Black