Double Weapon XP for ‪#‎BlackOps3‬ starts Feb 5th at 10AM PT, ends Feb 8th - During Treyarch’s Live Stream, Treyarch has announced that there will be Double Weapon XP in Call of Duty: Black Ops 3 on PlayStation 4, Xbox One, and PC this weekend — starting Friday, February 5th at 10AM PT and ending Monday, February 8th at 10AM PT.