The Super Precision CompM4 mounts are precision machined from a single piece of 7075-T6 high strength aluminum. They are available in black type 3 hard coat anodize as well as DDC (Desert Dirt Color) type 3 hard coat anodize. 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. The height of the Aimpoint CompM4 mount is 1.54'' from the top of the pic rail to the center line of the optic.