MX9 Warzone Loadout: Legacy Preset
October 30, 2026 · Updated November 10, 2026 · 4 min read
Warzone legacy preset
Current Warzone uses a fixed Legacy preset for this weapon. Its attachments cannot be edited in Gunsmith, and old build codes cannot be imported.
Source check: 2026-11-10 · 1 independent source families
On this page
MX9 is part of Warzone’s Legacy weapon pool. In current Warzone, choose its provided preset or an available Blueprint from the Legacy tab. You cannot recreate an old custom Gunsmith setup for it.
Best MX9 loadout in current Warzone
Use the Legacy preset supplied in game. The official Season 1 notes say Legacy weapons are already configured for Warzone and cannot be edited in Gunsmith. There is no verified evidence here that a particular paid Blueprint is stronger, so we do not recommend buying one for a presumed advantage.
How to equip it
- Open Create-a-Class and choose a primary or secondary weapon slot.
- Open the Legacy tab.
- Choose MX9 and equip its available preset or Blueprint.
- If it is locked, check its XP requirement in Armory Unlocks.
What changed
With the November 2026 Season 1 integration, weapons from Modern Warfare II through Black Ops 7 remain available as Legacy weapons. They do not support editable attachments, Modern Warfare 4 mastery camos, reticle challenges, cosmetic Gunsmithing or build sharing.
A multiplayer setup for this weapon belongs to its original game. Do not use an old Warzone attachment guide as an editable current-season build.
Sources
Checked: 10 November 2026. Applies to the fixed Legacy weapon system in current Warzone; this is not a claim that the weapon is the strongest choice.
Historical build archive — before 6 November 2026
The original guide below was researched on 30 October 2026. Its attachment choices, rankings, share codes and statistics are historical reference only. They do not describe the fixed preset supplied in current Warzone, and the old custom setup cannot be recreated through its current Gunsmith.
Low recoil and an 8.7/10 EaseScore make the MX9 pleasant to shoot, and 567ms inside 10m is respectable. Still, this Modern Warfare II SMG is off-meta for Warzone Season 6: WZStats ranks it 36 in Tier B, and CODMunity lists it under Average Performers. It works for players who want control, though a higher-ranked close-range SMG will generally win more fights.
Best MX9 loadout
This is CODMunity's Close Range build, and warzoneloadout.games lists the same five picks.
| Slot | Pick | What it does |
|---|---|---|
| Barrel | 16.5" Bruen S901 | Barrel; effect not listed |
| Comb | FTAC C11 Riser | Comb; effect not listed |
| Magazine | Extended Mag I | Magazine; effect not listed |
| Muzzle | XRK Sandstorm | Muzzle; effect not listed |
| Optic | Nydar Model 2023 | Optic; effect not listed |
| Perks | Scavenger, Sprinter, Adaptive | WZStats: Downed enemies drop ammo, equipment and plates; Lets you reload during tactical sprint and eases movement penalties; Better explosive defense, movement and handling |
| Equipment | Heartbeat sensor, Frag | WZStats: Limited-use tablet that shows rough enemy positions nearby; Cookable grenade |
| Secondary | VOYAK KT-3 | WZStats' top pairing; next are MK35 ISR and DS20 MIRAGE |
Why this build works
The drop after 10m is the concern, from 567ms to 832ms at 10-40m, then 1028ms at 40-80m and 1100ms at 80-120m. WZStats describes fast TTK potential but also inconsistent TTK, which matches that slope. It fires at 741 RPM. Sprint-to-fire is 92ms, ADS 208ms and velocity 562m/s, with a 45-round mag and a 3024ms reload. The Season 3 Reloaded buff in May 2025 raised max damage from 34 to 38, medium damage from 28 to 34 and minimum damage from 19 to 24, and moved max range from 10.1m to 11.1m, while medium range shortened to 19.8m.
How to play it
Play inside 10m when possible, where the fast TTK potential is real, and use good mobility to create those fights rather than waiting at range. Expect kill times to vary, so avoid relying on it in long open trades. The CODMunity Sniper Support alternative improves the middle band to 794ms but lifts ADS to 231ms, a fair swap if you carry a sniper. As a partner gun, WZStats offers the MK35 ISR, VOYAK KT-3 or DS20 MIRAGE.
Alternative setups
Sniper Support, Warzone (CODMunity): 508MM Rear Guard, Extended Mag I, XRK Sandstorm, Nydar Model 2023, Stip-40. CODMunity lists 567ms inside 10m and 794ms from 10-40m, with 231ms ADS.
Recommended, Battle Royale (WZStats): Nydar Model 2023, Shadowstrike Suppressor, 16.5" Bruen S901, EXTENDED MAG, BRUEN Q900 GRIP.
Unlock notes
The sources list these requirements for the main build: 16.5" Bruen S901: Level 7; FTAC C11 Riser: Level 5; Extended Mag I: Level 16 on the C9; XRK Sandstorm: Level 10 on the Fennec 45; Nydar Model 2023: Level 6 on the RAM-9.
Sources
Checked: 30 October 2026. Reflects Warzone Season 6, latest balance patch 14 October 2026.