High mounting option for SAI™ Mini Red Dot Sight (MRDS). Red Dot sold separately. Pro Install Tip: The SAI™ Mini Red Dot attaches to the mount plate using two 6-40x10 Torx® head screws (visible from the top of the sight). Before use, check that these mounting screws are secure with the included Torx® wrench. For best results, tighten to approximately 12–13 in-lbs. of torque .