This is a high rate fire weapon featured in Call of Duty: Black Ops 2 and going to have this gun on my own.
If you like, I support them to add this in the game.
Weapon: QBB LSW
Type: Light Machine Gun (also it appears with a heavy machine gun)
Cost: 36000 Coins, 64 Cash
Requirements: Accuracy 0, Strength 5, Explosions 0
Shot interval: 0.05s (high rate fire than 0.15s)