I feature this weapon to be appeared in TDP4 featured in Call of Duty: Black Ops II. This one is a rocket launcher and it appears in the Rocket Launchers section available in shop, but not until Christmas 2014.
If you think this type of gun is very cheap and more powerful, I show them to appear.
Gun: FIM-92 Stinger
Class: Rocket Launchers
Cost: 64000 coins, 100 cash
Requirements: 0 Accuracy, 8 Strength, 12 Explosions
Reload time: 1.5s
Shot interval: 0.5 seconds