Tags: Weapon.
The AO-63 (Автомат АО-63) is a Soviet two-barrel assault rifle prototype capable of fully automatic fire chambered for the 5.45 x 39 mm round. It was designed by S. G. Simonov and P. A. Tkachev and manufactured by TsNIITochMash.The AO-63 assault rifle was briefly part of the Project Abakan trials in the mid-1980s in search of a more accurate alternative to take place over the standard issue AK-74 with AN-94 being the winner among numerous other weapons.