The Super Precision MRO Series was developed specifically to work with the Trijicon MRO and like mounted red dot optics. These mounts are precision machined from a single piece of 7075-T6 high strength aluminum and will be available in both co-witness and lower third co-witness options. Utilizing Geissele s update of the classic nut and bolt method, this mount will attach your red dot to your weapon with 1,400 pounds of clamping force, and features 3 shear lugs for maximum rigidity and return to zero. Product Specifications Material: 7075-T6 Color: Black Finish: Type-3 Hardcoat Anodize Lower 1/3rd Weight: 2.1oz Absolute Cowitness Weight: 2 oz 1.93" Height Weight: 2.5oz