Track Multiplayer, Prestige and MWZ camos (MW3 Zombies).
Choose a tracker to follow your mastery camo progress.
Modern Warfare 2 has trackers for Multiplayer (Orion) and Zombies mastery camos, each with a weapon mastery tab, plus a Prestige camo tracker.
Open a tracker, select a weapon and mark the camos you have unlocked. Completed weapons count toward the mastery camo shown at the top of the tracker.