From November 2nd to 9th, Double Credits event will take place in Caliber. These days, for each round, checkpoint, or frontline you reach in Onslaught, Clearing, Showdown, Special Operation, and Frontline modes, you gain double credits.
Nothing complicated: you play as usual and earn twice as much. The event will end with the start of maintenance on November 9th.
Check the pictures for profitability infographics.