Call of Duty: Modern Warfare II (2022)

Modern Warfare II (2022) MX9

Submachine GunsUnlocked at Reach Level 13 with the STB 556Takes camo
Submachine GunsMX9 — Call of Duty: Modern Warfare II (2022) weapon render

How do you unlock the MX9?

The MX9 is in the Submachine Guns roster for Modern Warfare II (2022). Reach Level 13 with the STB 556. Its base challenge set includes Concrete Jungle, Forest Digital, Overgrown, Rainbow Tiger.

UnlockReach Level 13 with the STB 556
AvailabilityOriginal MWII Multiplayer rank or weapon-platform progression; check the named weapon’s unlock panel.
Takes camoYes

Reviewed September 18, 2026. Compiled from official progression/reward announcements and public weapon/camo references on September 18, 2026. Reference tables were cross-checked where available. Not verified in a live game; expired events and Battle Pass routes are identified as historical.

Sources: Call of Duty — MWII launch progression and mastery · Emil Carlsson — Orion challenge reference (MIT) · Call of Duty Wiki — MWII camo catalogue · GamesAtlas — MWII weapon access catalogue · Activision Support — Season 06 rewards · WZHUB — independent MWII challenge comparison

Weapon sources: GamesAtlas — MX9 · Emil Carlsson — Orion challenge reference (MIT) · Call of Duty — MWII launch progression and mastery · Pro Game Guides — launch weapon unlock comparison

How does the MX9 play in Modern Warfare II (2022)?

RoleSubmachine Gun
Challenge noteGold: 3 kills without dying, repeated 10 times. Platinum: 25 longshot kills. Polyatomic: 25 headshot kills.
Progression tipThe MX9 has 4 base camo challenges. Finish its base set to open Gold. The Submachine Guns Platinum gate requires 8 Gold weapons in that class, counting eligible later additions. After 51 Platinum weapons, complete this weapon’s Polyatomic challenge. Orion needs 51 Polyatomic weapons; it is then awarded on each weapon with Polyatomic.
Camo tipEarn weapon XP until the challenge is open, then use the named weapon for the required eliminations.

MX9 — Multiplayer camo challenges

Concrete Jungle Reach weapon level 2 on the MX9, then complete 50 kills with it.
Forest Digital Reach weapon level 7 on the MX9, then complete 10 double kills with it.
Overgrown Reach weapon level 11 on the MX9, then complete 20 mounted kills with it.
Rainbow Tiger Reach weapon level 16 on the MX9, then complete 30 kills while crouched with it.

Every camo, exact unlocks — see the full Modern Warfare II (2022) camo directory.

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MX9 — common questions

How do you unlock the MX9 in Modern Warfare II (2022)?

MX9: Reach Level 13 with the STB 556. Original MWII Multiplayer rank or weapon-platform progression; check the named weapon’s unlock panel.

How do you unlock camos on the MX9?

The MX9 has 4 base camo challenges. Finish its base set to open Gold. The Submachine Guns Platinum gate requires 8 Gold weapons in that class, counting eligible later additions. After 51 Platinum weapons, complete this weapon’s Polyatomic challenge. Orion needs 51 Polyatomic weapons; it is then awarded on each weapon with Polyatomic.

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