Call of Duty: Modern Warfare II (2022)

Modern Warfare II (2022) ISO Hemlock

Assault RiflesReach and complete Sector B11 of the Season 2 Battle PassTakes camo
Assault RiflesISO Hemlock — Call of Duty: Modern Warfare II (2022) weapon render

How do you unlock the ISO Hemlock?

The ISO Hemlock is in the Assault Rifles roster for Modern Warfare II (2022). Reach and complete Sector B11 of the Season 2 Battle Pass. Its base challenge set includes Gaseous, Cloud Hopper, Lost Signal, Paths of Light.

UnlockReach and complete Sector B11 of the Season 2 Battle Pass
AvailabilityOriginal Season 2 access documented; expired Battle Pass and event routes are not claimed to be active today.
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 — ISO Hemlock · Emil Carlsson — Orion challenge reference (MIT) · Call of Duty — MWII launch progression and mastery

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

RoleAssault Rifle
Challenge noteGold: 3 kills without dying, repeated 10 times. Platinum: 25 longshot kills. Polyatomic: 25 headshot kills.
Progression tipThe ISO Hemlock has 4 base camo challenges. Finish its base set to open Gold. The Assault Rifles 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.

ISO Hemlock — Multiplayer camo challenges

Gaseous Reach weapon level 2 on the ISO Hemlock, then complete 50 kills with it.
Cloud Hopper Reach weapon level 10 on the ISO Hemlock, then complete 40 kills while aiming down sights with it.
Lost Signal Reach weapon level 19 on the ISO Hemlock, then complete 15 kills from behind with it.
Paths of Light Reach weapon level 26 on the ISO Hemlock, then complete 40 kills with a suppressor equipped with it.

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

Browse camos

ISO Hemlock — common questions

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

Original Season 2 access — ISO Hemlock: Reach and complete Sector B11 of the Season 2 Battle Pass Original Season 2 access documented; expired Battle Pass and event routes are not claimed to be active today.

How do you unlock camos on the ISO Hemlock?

The ISO Hemlock has 4 base camo challenges. Finish its base set to open Gold. The Assault Rifles 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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