The Postnikov APT (Автомат Постникова АПТ) is an assault rifle of Russian origin. The weapon is chambered in the 5.45x39mm round and was intended as an entry in Project Abakan, which was tendered by Abakan THREAD Progress Izhevsk, which was also a gunsmith direction. Despite being entered into the Project, the APT was one of the first designs eliminated due to reliability issues.