Sightmark Wraith HD Locking Quick Detach Base in matte black finish. Features a locking quick-detach style base for fast optic mounting and removal. Measures 3.40 length, 1.20 width, and 0.50 height while weighing 4.60 oz. Includes necessary mounting hardware to establish a reliable, repeatable foundation for compatible optics on your rail interface. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.