Oden

The largest round in the assault rifle class, fed from a 20-round magazine. Unlocks at level 39 and maxes out at weapon level 65.

Camos for the Oden

14 camos in order: 8 Military, 3 Special, then Gold, Platinum and Harmonic Break.

Earned by levelling the Oden to 65. Every weapon shares these eight; only the levels differ.

Unique to the Oden. Finish the challenge in either Multiplayer or DMZ.

Dark MossUnconfirmed
Multiplayer Get 25 Player Kills with Miri 40MM Grenade Launcher
DMZ Get 75 Enemy Kills with Miri 40MM Grenade Launcher
ShaleUnconfirmed
Multiplayer Get 2 Kills without Reloading 10 times against Players
DMZ Get 2 Kills without Reloading 30 times against Enemies
Hot RodUnconfirmed
Multiplayer Get 100 Kills while ADS against Players
DMZ Get 250 Kills while ADS against Enemies

Each one opens when the step before it is done.

Gold
Once all 11 camos above are done, get 15 kills in one Multiplayer match or 100 in one DMZ match.
Platinum
Once all 8 assault rifles have Gold, the assault rifle challenge is headshots.
Harmonic Break
Once all 33 weapons have Platinum, the assault rifle challenge is double kills.
Divergence
Follows automatically after 33 Harmonic Break camos, and opens the mastery camos.