The AO-38 is a 5.45×39mm assault rifle and AK derivative designed by Peter Andreevich Tkachev and first to use the Balanced Automatic Recoil System (BARS) to improve stability giving better accuracy over AK-74's. Its derivatives are the AK-107 and AEK-971.
== See also == AL-7 AN-94 List of assault rifles
== References == AO-38 Д. Ширяев. Кто изобрел автомат Калашникова // "Солдат удачи" № 9 (72), 2000