Call of Duty: Modern Warfare III (2023)

Modern Warfare III (2023) HRM-9

Submachine GunsUnlocked at Post-launch / ArmoryTakes camo
Submachine GunsHRM-9 — Call of Duty: Modern Warfare III (2023) weapon render

How do you unlock the HRM-9?

HRM-9 is a submachine gun in Call of Duty: Modern Warfare III (2023). Original and later access recorded: Sector A21 (Season One Battle Pass). Via Armory Unlocks (After Season Two). Check the weapon's current Armory panel for its active challenge. Its recorded firing action is full-auto/semi-auto (select-fire). The camo list below separates its 4 Multiplayer and 4 Zombies base challenges.

UnlockPost-launch / Armory
AvailabilityOriginal and later access recorded: Sector A21 (Season One Battle Pass). Via Armory Unlocks (After Season Two). Check the weapon's current Armory panel for its active challenge.
Takes camoYes

Reviewed September 18, 2026. Compiled from official Call of Duty progression and season announcements and the dated public wiki camo and weapon tables. No live in-game verification or current event availability is claimed.

Sources: Call of Duty — MWIII weapon and camo progression · Call of Duty — launch weapon roster and carry forward · Call of Duty — Season 6 final progression and Ranked rewards · Call of Duty Wiki — camo challenge catalog · Call of Duty — Warzone Season 4 Ranked rewards · Call of Duty — Warzone Season 6 Ranked rewards

Weapon sources: Call of Duty Wiki reference · Call of Duty official reference

How does the HRM-9 play in Modern Warfare III (2023)?

RoleSubmachine Guns
Challenge noteHRM-9 uses its own base Multiplayer and Zombies challenges. Multiplayer advances Gilded, Forged, Priceless and Interstellar; Zombies advances Golden Enigma, Zircon Scale, Serpentinite and Borealis. MWII weapon challenges belong to separate mastery totals.
Progression tipHRM-9 has 4 cataloged Multiplayer base camos and 4 cataloged Zombies base camos. Interstellar uses 36 Priceless completions; Borealis uses 36 Serpentinite completions.
Camo tipSelect a base challenge whose level requirement is already open. Check whether it specifies Operators, Zombies, a damage type or a stance before changing your setup.
Compared withMWII carry-forward weapons retain their own Multiplayer mastery and use Golden Ivory, Spinel Husk, Arachnida and Bioluminescent in Zombies.

HRM-9 — Multiplayer camo challenges

Big GrinsWeapon level 2. Get 50 Operator Kills
Lavender SandsWeapon level 8. Get 25 Operator Hipfire Kills
Ocean WavesWeapon level 12. Get 10 Operator Kills while crouching or sliding
OverlayeredWeapon level 18. Get 10 Kills on stunned or blinded Operators

HRM-9 — Zombies camo challenges

Ceaseless AgonyWeapon level 2. In Zombies, get 250 Kills
Crimson SandsWeapon level 8. In Zombies, get 50 Mercenary Kills
Burning BlurWeapon level 12. In Zombies, get 250 Kills with Frost Damage
Empty ScreamsWeapon level 18. In Zombies, get 10 Kills in 5 seconds 10 times

Mode mastery routes

MultiplayerMWIII weapons: Gilded, Forged, Priceless, Interstellar. Complete 36 Priceless challenges for Interstellar. MWII carry-forward weapons retain their separate Gold, Platinum, Polyatomic and Orion progression.
ZombiesMWIII weapons: Golden Enigma, Zircon Scale, Serpentinite, Borealis. Complete 36 Serpentinite challenges for Borealis. MWII weapons: Golden Ivory, Spinel Husk, Arachnida, Bioluminescent. Complete 51 Arachnida challenges for Bioluminescent.

Every camo, exact unlocks — see the full Modern Warfare III (2023) camo directory.

Browse camos

HRM-9 — common questions

How do you unlock the HRM-9 in Modern Warfare III (2023)?

Original and later access recorded: Sector A21 (Season One Battle Pass). Via Armory Unlocks (After Season Two). Check the weapon's current Armory panel for its active challenge.

How do you unlock camos on the HRM-9?

HRM-9 uses its own base Multiplayer and Zombies challenges. Multiplayer advances Gilded, Forged, Priceless and Interstellar; Zombies advances Golden Enigma, Zircon Scale, Serpentinite and Borealis. MWII weapon challenges belong to separate mastery totals.