The Barrett M99 is a sniper rifle that appears in Conflict: Global Terror. It is the primary weapon of Carrie Sherman. Barrett M99 in real life. Conflict: Global Terror Edit Barrett M99 appears in Ukraine, Egypt and the Philippines as Sherman's main weapon. It is incorrectly depicted as a semi-automatic, but also has an invisible five-round magazine. Gallery Edit Sherman with her M99. Categories: Weapons Add category Cancel Save