The AD-RECON-SH Mount by American Defense Manufacturing was designed for installing high-powered magnified optics onto flattop AR10 style rifles. This mount is precision machined from solid 6061 T6 aluminum, and is given a hard coat T3 Mil-Spec anodized finish for superior resistance to the elements and corrosion. The AD-RECON-SH Mount attaches to the host weapon via ADM’s patented QD Auto Lock Lever System, which allows the mount to accommodate both in-spec and out-of-spec rail systems, and delivers a superior clamping surface to ensure maximum rail engagement. Features of the AD-RECON-SH 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. ADM AD-RECON-SH 35mm 1.93" Mount w/TAC Lever AD-RECON-SH-35-TAC