Any Modern Warfare 4 tier list published today is a tier list of the open beta, not of the game. MW4 launches on Friday, October 23, 2026. Every usage figure, every S tier and every ranked opinion below comes from beta builds that Infinity Ward has already been tuning, and launch-day balance will move some of this.
That is not a disclaimer to skip past. It is the single most useful thing to know four days out, because the guides that present beta numbers as settled fact are the ones that will be wrong on Friday evening. What a beta tier list is genuinely good for is telling you which guns are worth levelling first and which archetypes the game rewards, and both of those survive balance patches better than exact rankings do.
So: here is the consensus as it stands, where the sources agree, where they disagree hard enough that you should ignore all of them, and how to use any of it without wasting your first week.
Read this first: it is beta data
The beta ran across multiple weekends on multiple platforms, with balance changes landing between them. One widely read guide states plainly that its picks come from a specific early access weekend, so a gun rated highly in week one may already have been nerfed by week two. Infinity Ward also ran mid-beta tuning passes that changed damage profiles.
On top of that, the beta did not contain the full arsenal. MW4 launches with 33 weapons and the beta exposed a subset, so entire classes are under-tested and some launch weapons have never been in public hands. A tier list cannot rank a gun nobody has fired. The full MW4 weapons list covers which weapons have actually been named.
Practical consequence: treat the tiers below as a shortlist of things worth your first few hours, not a ranking to defend in a lobby chat.

The beta tier list
Confidence matters as much as placement, so the table carries both. High confidence means several independent sources landed in the same place. Low confidence means they did not.
| Weapon | Class | Beta tier | Source agreement |
|---|---|---|---|
| M4 | Assault rifle | S | High. The consensus top pick, roughly 59 per cent of beta loadouts |
| ISO Nightshade | SMG | S | High. The close-quarters favourite, roughly 13 per cent of loadouts |
| Kastov 762 | Assault rifle | A | Moderate. High damage, high recoil, divides players |
| Oris 8.6 | Marksman rifle | A | Moderate. Strong but mode-dependent |
| Rezi 12 | Shotgun | A | Moderate. Widely called the best shotgun in the beta |
| Type 73 | LMG | B | Moderate |
| FiNN LMG | LMG | B | Low. One guide called it a standout, others left it off entirely |
| KG-7 Vulcan | Sniper rifle | S to C | Very low. Rated a best-in-game pick by some, well down the list by others |
| Signal 50 | Sniper rifle | A to C | Very low. No agreement at all |
| X-58 NYX | SMG | B | Moderate. Consistently mid-tier |
| Patriot XMR | Assault rifle | B | Moderate, though one creator built a whole meta loadout around it |
| Hyeon Burst | Assault rifle | B | Moderate |
| Han 86 | Assault rifle | B | Low. One outlet called it the most well-rounded rifle in the beta |
The M4 is the one thing everybody agrees on
If beta loadout data is to be believed, the M4 appeared in roughly 59 per cent of loadouts. That is not a close win. For context, the next most popular weapon, the ISO Nightshade, sat around 13 per cent, which puts the M4 roughly four and a half times ahead of the second-place gun.
The reason is not that it has the best time to kill. It is that it has no bad range band. Written beta guides describe it as a jack of all trades with very little recoil, high damage and solid mobility, and one called it a perfectly well-rounded weapon that is great for new players. When a gun has no obvious weakness, it becomes the default answer in every lobby regardless of map, and that is exactly what happened.
Being a 59 per cent pick rate also makes it the most likely weapon in the game to be adjusted. If Infinity Ward touches anything on launch day, a gun with that much representation is near the top of the list. The M4 build guide goes through the attachment logic and what is likely to shift.

ISO Nightshade and the close-quarters picture
The ISO Nightshade is the SMG the beta settled on, and the interesting part is that it did not win on fire rate. One guide notes it is certainly not the fastest-firing gun in the beta but is still among the best for lighter, snappier play. Creators built whole videos around it, and a Call of Duty League pro's class setup circulated widely during the beta weekends.
That pattern, where a controllable SMG beats a faster one, usually means the game's time to kill is forgiving enough that landing shots matters more than throwing them. If that holds at launch, the SMG meta will reward control over raw rate of fire. The SMG loadout guide covers how to build for that.
The X-58 NYX sat behind it in most beta assessments without anyone calling it bad. The PPSh-41 turned up on one best-guns shortlist and almost nowhere else.

Where the sources genuinely disagree
Snipers. Not mildly, either. The KG-7 Vulcan was named one of the five best guns in the beta by one outlet, which praised how sniping felt and recommended it specifically as a sniper you can use while moving. Other pre-launch rankings put it considerably lower. The Signal 50 gets the same treatment in reverse, showing up as a strong pick in some lists and low in others.
Two things are going on. First, sniper value depends enormously on map and mode, and the beta map rotation changed between weekends. Second, the thing that decides a sniper's tier, whether it one-shots at the body locations people actually hit, is exactly the kind of number that gets quietly adjusted before launch.
Honest answer: if you want to snipe in MW4, do not pick based on a pre-launch tier list. Fire both in a private match on launch day and keep the one that feels right. The disagreement in the table is information, not noise, and it is telling you nobody knows yet.
What will probably move at launch
Three predictions, clearly labelled as predictions. The M4 is the most likely candidate for an adjustment, simply because a 59 per cent pick rate is the kind of number balance teams act on. Snipers are the most likely class to shift wholesale, because their beta placement is unstable across sources. And the launch weapons that were never in the beta are wildcards by definition, since nobody outside Infinity Ward has used them.
What probably does not move is the archetype logic. A low-recoil all-rounder being strong across 12 core 6v6 maps, and a controllable SMG being strong in close quarters, are structural outcomes rather than balance accidents. If the M4 gets nerfed, its replacement will most likely be another forgiving rifle.
How to use a provisional tier list well
Level the archetype, not the gun. If you spend your first evening on a forgiving AR and a controllable SMG, you will still be holding the right tools after a launch patch even if the specific names change. If you spend it chasing the one weapon at the top of a beta list, you may be relearning on Saturday.
Second, keep XP tokens for after the first patch notes land. Weapon XP spent on a gun that gets nerfed on day one is the most avoidable waste in a Call of Duty launch, and the levelling guide covers where tokens actually pay off. Third, if you play competitively, remember that Ranked Play usually arrives with its own restricted weapon list, which can make a casual-mode tier list irrelevant.
We will rewrite this page once the launch build is live and real usage data exists. If you would rather have the grinding handled, the store's Modern Warfare 4 pages cover that side.
Frequently Asked Questions
What is the best gun in MW4?
In the beta, the M4 assault rifle was the clear consensus pick at roughly 59 per cent of loadouts. That is beta data, not launch data. MW4 releases on October 23, 2026, and balance changes at launch can move any of these placements.
Is this tier list based on the full game?
No. It comes from open beta builds that were tuned between weekends, and the beta did not include all 33 launch weapons. Treat it as a shortlist, not a settled ranking.
What is the best SMG in MW4?
Beta opinion favoured the ISO Nightshade, at roughly 13 per cent of loadouts, which made it the second most used weapon overall. Notably it won on control rather than fire rate.
Why do MW4 sniper rankings disagree so much?
Because sniper strength depends on one-shot kill zones and on map rotation, and both changed across beta weekends. The KG-7 Vulcan appears as a top-five pick in one outlet and much lower in others, and the Signal 50 is just as inconsistent. There is no reliable pre-launch answer.
Should I level the top-tier gun first?
Level the archetype rather than the exact name. A forgiving low-recoil rifle and a controllable SMG will stay useful through a balance patch, whereas a gun that is top of a beta list can be adjusted on day one.
When will a reliable MW4 tier list exist?
Not before the launch build has been live long enough to produce real usage data, which realistically means the week after October 23, and it will shift again when Season 1 arrives on November 6.