Who is the designer of XXX?
AK-74
The AK-74 (Russian: Автомат Калашникова образца 1974 года or ``Kalashnikov automatic rifle model 1974'') is an assault rifle developed in the early 1970s, by Russian designer Mikhail Kalashnikov as the replacement for the earlier AKM (itself a refined version of the AK-47).
Mikhail Kalashnikov