You need to craft one of the outlaw weapons, either a Sandstorm, Sidewinder, or Vanquisher.
You can start this task by talking to Disillusioned Outlaw standing in front of the bar in Kadara - Slums.
Task: Outlaw Weapon Crafting
Related points of interest
Mission objectives of Task: Outlaw Weapon Crafting
1. Craft the weapon at a research station
Research and then craft Sandstorm Assault Rifle, or Sidewinder Pistol, or Vanquisher Sniper Rifle.
