The AKS-74U short assault rifle (the "U" suffix means"Ukorochennyj" in Russian = "Shortened" in English) has been developed in the late 1970s from the AKS-74 assault rifle.
Item ID: BP_Weapon_AKS_74U
How to use item IDs
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!