PPSh-41

The Second World War classic, with its 71-round drum as the default. It’s also tied to Prestige 2, whose blueprints for it nod to Call of Duty 2.

PPSh-41 blueprints 3

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

Earned by levelling the PPSh-41 to 60. Every weapon shares these eight; only the levels differ.

Unique to the PPSh-41. Finish the challenge in either Multiplayer or DMZ.

BlackwellUnconfirmed
Multiplayer Get 10 Double Kills against Players
DMZ Get 30 Double Kills against Players
Special 2
Not confirmed yet. Check the PPSh-41’s camos in Gunsmith.
CurrentsUnconfirmed
Multiplayer Get 100 Player Kills while Aiming Down Sights
DMZ Get 250 Kills while Aiming Down Sights

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 5 SMGs have Gold, the smg challenge is kills from behind.
Harmonic Break
Once all 33 weapons have Platinum, the smg challenge is hipfire kills.
Divergence
Follows automatically after 33 Harmonic Break camos, and opens the mastery camos.