American Defense Manufacturing Armasight #27 Base Titanium Lever Black. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock Titanium Lever system to accommodate both in spec and out of spec rail systems. Specifications for American Defense Manufacturing Armasight #27 Base Titanium Lever: Manufacturer: American Defense Manufacturing Color: Black Additional Features: Titanium Lever Finish: T3 Mil-Spec Anodize Fabric/Material: 6061-T6 Aluminum Weight: 1.4 oz Features of American Defense Manufacturing Armasight #27 Base Titanium Lever The AD-4109-TL mount features the Patented QD Auto Lock Titanium 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. Finished in hard coat type 3 Mil-Spec anodize for a rock hard lasting finish. Precision machined from 6061 T6 Aluminum. Hard coat anodized for a lifetime of performance. Fully adjustable to fit both in spec and out of spec rail systems. Features the Patented QD Auto Lock Titanium Lever system. Package Contents: American Defense Manufacturing Armasight #27 Base Titanium Lever American Defense Manufacturing AD-4109-TL: Armasight #27 Base Titanium Lever Black