Complete the indicated task to unlock the corresponding weapon.

Weapon	Task
Brayko's SMGs	Kill Brayko.
Brayko's Stereo	Spare Brayko.
Gold assault rifle	Sneak up on Al Samad Lieutenant without any alarms being sounded.
Gold SMG	Assassinate Brajka.
Omen's Shotgun	Kill Omen Deng.