From The Daily Caller:

Aimpoint, the worldwide leader in reflex sight technology, has been awarded a contract for supply of 30,000 M68 Close Combat Optics (M68CCO) to the U.S. Army. The Aimpoint CompM4s sight is type-classified as the M68CCO when used by the U.S. Army and U.S. Air Force. These sights will be supplied with a killFlash® anti-reflection device, rubber lens covers, and adapters which allow the sights to be deployed on all versions of the M16 rifle, M4 Carbine, and light machineguns such as the M240 and M249.