6061 T6 aluminum construction Hard coat T3 Mil-Spec anodized finish Mounts EOTech MRDS Optic to Picatinny rail mount system Snaps on and off quickly Uses original screws Made in the U.S.A. Includes manufacturer's lifetime warranty The American Defense AD-IM Mini Mount was designed to mount the EOTech MRDS Optic to a Picatinny rail mount system. This mount uses the original screws and gives you the option of quick detach. The Ad-IM Mini Mount is built tough of 6061 T6 aluminum with a hard coat anodized finish for a lifetime of performance. It comes with a lifetime warranty from American Defense and was made in the U. Mfg: American Defense Manufacturing SPECS: 6061 T6 aluminum, Anodized hard coat finish, Quick detach, Made in U.S.A., Manufacturer's lifetime warranty.