- WildGIXER DAVE
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- Noble Member
Firefight ,but you should also go on waypoint and set custom challenges first.
firefight 800 kills. 3Hours 10,000CR
firefight 400 headshots. 3Hours 10,000CR
You can get this done in 7 games of x2 ,with game CR you will get over 30,000CR,
If it coincides with daily challenges you can earn even more .