Peter Andreevich Tkachev was a Russian weapons engineer for TsNIITochMash. He is known to have worked on and modified various weapons such as the AO-38, AO-40, AO-46, AO-62 and AO-63 assault rifles as well as developing the Balanced Automatics Recoil System (BARS) used in the AK-107."Солдат удачи" номер 9 (72) 2000 Д.Ширяев "Кто изобрел автомат Калашникова"

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* Firearm designers Russian inventors Soviet engineers Heroes of Socialist Labour {{russia-engineer-stub