Now make your way over to the area outside of Westsides northern gate, to the Wins Hideout.
To diagnose his memory block you’ll need a Science skill of 50+ which ends with you holding a memory block. When he tells you about their gun go examine the case and return to the robot, informing him that it isn’t there. First off you will need to head to Primm and speak to Primm Slim about Vicki and Vance. The trail to actually pick up this gun is going to take you around the Wasteland a bit. Location: Wins Shack, Northwest of New Vegas