Peter Andreevich Tkachev was a Russian weapons engineer for

TsNIITochMash TsNIITochMash (russian: ЦНИИТОЧМАШ) is a Russian industrial design bureau which is a major designer and producer of weapons for the Russian military and MVD National Guard. The name is an initialism for Central Scientific - Research Inst ...

. He is known to have worked on and modified various weapons such as the AO-38, AO-46, AO-62 and AO-63 assault rifles as well as developing the

Balanced Automatics Recoil System The AEK-971 (Russian: Автомат единый Кокшарова 971, "Rifle, common, of Koksharov, 971) is a selective fire 5.45×39mm assault rifle that was developed at the Kovrov Mechanical Plant (KMZ) by chief designer Sergey Koksharov ...

(BARS) used in the

AK-107 The AK-107 is a Russian 5.45×39mm assault rifle developed from the AK-100-series. It features a "balanced" operating system, similar to that used in the AEK-971. In this case, the designation AK does not indicate ''Avtomat Kalashnikova'' but ' ...

."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