The quick answer
Modern Warfare 4 has 33 launch weapons across 9 classes. Each weapon has its own camo ladder: 8 Military Camos, 3 Special Camos, 3 Completionist Camos, and 1 Divergence unlock. At launch there are 99 Special Camo challenges across the weapon set. The mastery order is Gold -> Platinum -> Harmonic Break; Divergence opens after Harmonic Break on all 33 weapons.
The per-weapon ladder
- Military Camos (8): unlock through weapon levels. The listed levels include 10, 18, 26, 21, 26, 31, 55, and 41, so leveling a weapon past 55 is not the only gate.
- Special Camos (3): three weapon-specific challenges such as point-blank kills, headshots, mounted kills, hipfire, or kills while moving. Multiplayer and DMZ offer separate counter values.
- Completionist (3): Gold, Platinum, and Harmonic Break. The later tiers open after the earlier camo work on that weapon.
- Divergence: account-wide after Harmonic Break on all 33 weapons.
Gold, Platinum, and Harmonic Break
Gold
- MP: get 15 player kills in a single match.
- DMZ: get 100 enemy kills in a single match for most classes; launchers require 50.
Platinum
| Weapon class | Multiplayer requirement | DMZ alternative |
|---|---|---|
| Assault Rifle | 50 headshots | 100 headshots |
| Sniper | 75 prone kills | 150 or 200 prone kills |
| Shotgun | 50 hipfire kills | 125 hipfire kills |
| LMG | 3 kills without dying, 15 times | 3 kills without taking damage, 50 times |
| Marksman Rifle | 75 prone kills | 150 prone kills |
| Pistol | 20 kills from behind | 75 kills from behind |
| SMG | 25 kills from behind | 75 kills from behind |
| Launcher | 2 kills without taking damage, 15 times | 2 kills without taking damage, 50 times |
| Melee | 3 kills without dying, 15 times | 3 kills without taking damage, 50 times |
Harmonic Break
| Weapon class | Multiplayer requirement | DMZ alternative |
|---|---|---|
| Assault Rifle | 25 double kills | 50 double kills |
| Sniper | 75 one-shot kills | 150 or 200 one-shot kills |
| Shotgun | 2 kills without reloading, 25 times | 50 times |
| LMG | 2 kills without releasing the trigger, 25 times | 75 times |
| Marksman Rifle | 75 one-shot kills | 150 one-shot kills |
| Pistol | 40 hipfire kills | 100 hipfire kills |
| SMG | 50 hipfire kills | 100 hipfire kills |
| Launcher | 10 kills in a match, 7 times | 15 times |
| Melee | 25 kills from behind | 75 kills from behind |
Account-wide and prestige camos
- Divergence: complete Harmonic Break on all 33 weapons.
- Weapon Prestige: each weapon has four prestige camos: Pyroclast at Prestige 1, Pyroclast Terminus at max Prestige 1, Pyroclast Scatter at Prestige Master 160, and Pyroclast Cascade at Prestige Master 250.
- Mastery (Multiplayer): Mercurial Drift requires 10 kills in a match 250 times; Polyatomic Reforged requires 3 kills without taking damage 300 times; Orion Reforged requires 5 kills without dying 500 times.
- Mastery (DMZ): Chiral requires 2,500 Tier 3+ enemy kills; Ripple Tide requires extracting two Lieutenant Dog Tags in one deployment 50 times; Helio requires 25,000 kills with Legendary weapons on a max-level Operator.
Practical grind order
- Choose the weapons you actually enjoy and level them to the Military Camo thresholds first. The levels feed both attachments and camo progress.
- Finish the three Special Camo challenges before chasing Gold. They are the per-weapon gate that makes the later completionist work predictable.
- Do Gold in the mode where the kill-count condition is easiest. MP’s single-match 15 kills is faster for a strong player; DMZ’s 100 kills can be steadier if you can farm AI safely.
- For Platinum and Harmonic Break, read the class requirement before entering a match. A prone-kill challenge and a hipfire challenge need different maps, ranges, and movement.
- Save Launchers, melee, and the least enjoyable weapons for a dedicated session. They have the most unusual requirements and should not block the rest of the camo ladder.
- After all 33 Harmonic Break camos, Divergence and the account-wide Mastery challenges open. These are long-tail goals; track the count instead of replaying the whole arsenal.