The Arisaka Aimpoint Micro Mount Mk2 is designed for the Aimpoint Micro T1 and T2 optics, and will also function with other red dots using the same footprint, including the Aimpoint H1/H2, Aimpoint Comp M5/M5S, Sig Romeo 4 and 5, Vortex Crossfire, and Holosun HS503/515/530.The Arisaka Aimpoint Micro Mount Mk2 in 1.93"height. On a 1.93" mount the additional 10mm will result in 2.32" effective height. AR height iron sights will not be visible through the window underneath the mount in this configuration.