FEATURES -3-slot Picatinny angle mount-Mounts scopes with30mm diameter bodies-Made from aircraft quality aluminum-Hardcoat anodized matte black to Military Specifications or better-Great when used with scopes flashlights lasers etc.-Accessories are mounted at a 45° angle-When used with scopes the iron sights remain visible-2-1/8" long-Uses a 7/64" Allen wrench