Call of Duty: Modern Warfare 3 has released its second set of Weekly ... Multiplayer Challenges Challenge XP Reward Get 30 operator quickscope kills with recommended battle rifles.

It can be applied to any MW2 and MW3 weapon. Rotten Inferno is found under the "Events" category of the camo menu. Multiplayer Challenges Challenge XP Reward Get 3 longshot kills with the JAK ...