The MW4 camo grind to Orion Reforged runs through the entire Multiplayer arsenal of Call of Duty: Modern Warfare 4. The honest answer to "how long will it take?" is that nobody knows yet. Activision has not published the challenge requirements ahead of the October 23, 2026 launch, so any precise hour count for MW4 is a guess.
What you can do is plan. This guide uses sourced numbers from earlier Modern Warfare games as clearly labelled context and explains which factors will set the pace in MW4. It also lays out a weapon order and session plan you can adjust once the real challenge text is visible.
Why there is no reliable MW4 hour count yet
Several pieces are confirmed and one big piece is missing. Activision has confirmed 33 launch weapons, a shared Camo Track that progresses across Multiplayer, DMZ and Warzone, and three mastery camos per mode. GamesRadar's reported structure adds the gates: Mercurial Drift per weapon, Polyatomic Reforged per class, and Orion Reforged after Polyatomic Reforged on every base weapon.
The missing piece is the challenge text itself. A plain kill count and a "kills without dying" task can take very different amounts of time, and that difference repeats across every weapon in the arsenal. Until those requirements are visible in game, treat every MW4-specific time estimate, including any you see in videos, as speculation.
What earlier Modern Warfare grinds took
Modern Warfare II (2022) is the closest comparison, because it used the original Polyatomic and Orion camos with a similar per-weapon, per-class and whole-arsenal structure. The figures below describe that game, not MW4, and they come from the most dedicated end of the player base.
| Milestone | Reported time | Source |
|---|---|---|
| First player to unlock Orion (streamer Skullface49) | Six days after the Oct. 28, 2022 launch | Charlie INTEL, Nov. 3, 2022 |
| Skullface49's own play-time estimate for every camo, based on his VODs | About 115 hours, described as very efficient | Sportskeeda, Nov. 6, 2022 |
| Sportskeeda's ballpark for less efficient players | Around 130 to 140 hours | Sportskeeda, Nov. 6, 2022 |
| First public completion of the full weapon mastery grind (Orion on every weapon, then 1,000 kills with each) | Over 17 days of in-game time | Charlie INTEL, Dec. 8, 2022 |
Read those numbers as a reference range, not a forecast. Roughly 115 hours inside six days tells you how far from a normal schedule the fastest pace was. MWII also had more weapons to clear: its Polyatomic and Orion gates referred to 51 weapons, while MW4 launches with 33. On the other hand, MW4's challenges are unknown, and harder tiers could cancel out the smaller arsenal.
The factors that will set your pace
- The slowest challenge in each class. Because classes gate Polyatomic Reforged, one awkward requirement holds back every weapon in its class. If MW4 repeats tasks like Modern Warfare II's Gold challenge, which asked for kills without dying, the guns you struggle with become the bottleneck.
- Situational tasks. Modern Warfare II's camo challenges included longshot and killstreak tasks, according to Charlie INTEL. Requirements like these are harder to force than a plain kill count, so expect them to be the slow ones if MW4 uses similar types.
- Weapons you would never pick. Under the reported rules, the final camo needs every base weapon, so the guns you avoid are the real cost of the grind.
- Weapon levels. Activision's Progression menu lists camos at specific weapon levels, so levelling speed matters. Levels that would repeat a Shared Attachment you already own become Bonus Level Ups, which removes some redundant levelling.
- XP boosts. The Campaign awards two Double Weapon XP Tokens and three Double XP Tokens, usable in Multiplayer and DMZ once the full game is out.
- Mode choice. Base Camo Track progress counts in Multiplayer, DMZ and Warzone, but the Mercurial Drift, Polyatomic Reforged and Orion Reforged steps are Multiplayer challenges.
Plan your weapon order before October 23
A plan that respects the class gates beats grinding whatever looks fun that day. One sensible order looks like this:
- Level a handful of favourites to max first. Apex Attachments are the final reward for maxing a weapon, and attachments unlocked once carry across compatible guns, so early levels make later weapons easier to use.
- Pick one class and finish it. Clearing Mercurial Drift on every weapon in a class is what opens Polyatomic Reforged there, under the reported rules.
- Alternate an easy class with a hard one. Keeping a class you enjoy in rotation makes the awkward ones easier to stomach.
- Save Double Weapon XP Tokens for slow levellers. Spend them on weapons you find hardest to level, not on guns you would max anyway.
- Leave room for the unknowns. Whether launchers and the melee weapon count toward the final camo is unconfirmed, so check before planning around skipping them.
The tier rules behind this order are explained in more depth in the MW4 camo challenges guide, including which parts are confirmed and which are only reported.
Playlists and modes that help the grind
Multiplayer launches with 12 Core 6v6 maps and a long list of modes, including Team Deathmatch, Domination, Hardpoint, Kill Confirmed and Free for All, plus Gunfight on the shifting Kill Block map. Respawn modes keep you fighting instead of waiting for the next round, which suits kill-based challenges.
Shipment is the map to watch. Infinity Ward confirmed its return in September, and Activision's roadmap shows it arriving on October 27, four days after launch, as reported by Gaming Trend and Insider Gaming. In Modern Warfare II, Charlie INTEL described Shipment's chaotic pace as a fast way to level weapons and unlock mastery camos. Season 1 starts on November 6, per Insider Gaming.
DMZ is a different case. Digital pre-order players get DMZ Early Access from October 20, and Activision says weapon progression is global between Multiplayer and DMZ. That should make DMZ a way to bank weapon levels before Multiplayer opens, although Activision has not explicitly said early access progress carries into launch, and DMZ runs put the gear you carry at risk. The extraction side of camo grinding is covered in the Helio camo grind guide.
Avoid wasted progress
- Read before you grind. Check each challenge's exact wording, including any mode or playlist conditions, before you commit an evening to it.
- Screenshot your progress. In December 2022, Infinity Ward acknowledged that some Modern Warfare II camo challenges were not tracking, according to Charlie INTEL. Notes make a support report easier if MW4 has similar launch issues.
- Think before a Classic Prestige. Activision says Classic Prestige resets level unlocks and Create-a-Class progression in exchange for increased XP rates and exclusive rewards, while Regular Prestige keeps your unlocks. Activision has not said how either path affects camo progress, so check before resetting mid-grind.
- Do not build on leaked lists. A plan based on unofficial challenge numbers may need redoing once the real text appears.
Pace yourself and avoid burnout
A whole-arsenal camo grind is a long project, so treat it like one. Set a goal per session, such as one weapon's Mercurial Drift, rather than a vague number of hours. Rotate between classes so the tedious ones never take a whole evening. Stop when a challenge turns into frustration, because tilted play rarely helps with streak-style tasks.
Post-launch content will also change the maths. GamesRadar notes that weapons added after launch should let you swap out a few launch guns toward the final total, and Season 1 begins on November 6. For what the camo is and how it compares with Empyros and Helio, start with the Orion Reforged camo guide. The store's Modern Warfare 4 listings are on the Modern Warfare 4 hub. If the grind is not for you, the Orion Reforged camo page describes a service option for after launch.
Frequently Asked Questions
How long will the MW4 camo grind to Orion Reforged take?
Nobody can say yet, because Activision has not published the challenge requirements. For context, Modern Warfare II's first Orion unlock came six days after launch from a streamer who estimated about 115 hours of play, per Charlie INTEL and Sportskeeda.
Which class should you finish first for Orion Reforged?
Start with the class you already play best. Under GamesRadar's reported rules, Polyatomic Reforged opens class by class once every weapon in that class has Mercurial Drift, so finishing one whole class early gets its Polyatomic Reforged challenges moving while you work on the next.
Does DMZ or Warzone progress count toward the MW4 camo grind?
Base Camo Track progress counts across Multiplayer, DMZ and Warzone, according to Activision. The Mercurial Drift, Polyatomic Reforged and Orion Reforged steps are Multiplayer mastery camos.
Can you start the MW4 camo grind before launch?
Not in Multiplayer, which opens on October 23, 2026. Digital pre-order players can level weapons in DMZ Early Access from October 20, and those levels should count in Multiplayer because weapon progression is global, although Activision has not explicitly confirmed that early access progress carries into launch.
What is the best map for the MW4 camo grind?
Shipment returns on October 27, and in Modern Warfare II Charlie INTEL described it as a fast way to level weapons and unlock mastery camos. Until then, respawn modes on the 12 launch Core maps keep you in constant fights.
When should you use Double Weapon XP Tokens?
The Campaign awards two of them, usable in Multiplayer and DMZ at full launch. They are most useful on weapons you level slowly, rather than on favourites you would max anyway.