'Call Of Duty: Black Ops Cold War' Guide: How To Unlock The Streetsweeper Shotgun KEY POINTS The game is currently on its first season that introduces new weapons Check out how to unlock the new Streetsweeper shotgun in "Call of Duty: Black Ops Cold War" and "Call of Duty: Warzone" The integration of "Call of Duty: Warzone" and "Call of Duty: Modern Warfare" is a great deal for the fans of the "Call of Duty" series. Aside from new operators, "Call of Duty: Black Ops Cold War" introduced new weapons to "Warzone" on the top of its existing armory. One of these is the Streetsweeper shotgun and for those who want to know how to unlock this new weapon, these tips and tricks might come in handy.