The AK-74 is an assault rifle developed in the early 1970s by Russian designer Mikhail Kalashnikov as the replacement for the earlier AKM. It uses a smaller 5.45×39mm cartridge, replacing the 7.62×39mm chambering of earlier Kalashnikov-pattern weapons.
To spawn an item in scum you need admin permissions or you need to play using singleplayer.
First open the chat dialog by pressing T then copy the command from this website and paste it into the chat box. Press enter and your item should have spawned!