This American Defense Manufacturing (ADM) scope mount is an excellent option for adding high power glass to you AR pattern rifle. Made of durable 6061-T6 aluminum, this hardcoat anodized mount is built for a long service life. Featuring ADM's QD Auto Lock Lever system, this AD-RECON mount can be fully adjusted without tools to accommodate most Picatinny rail systems. It provides an excellent return to zero with mounted optics. It is also covered by ADM's lifetime warranty.