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SMG · 9x19mm

ISO Nightshade in MW4 DMZ: stats, unlock and Apex Attachment

A fast-firing 9mm SMG that balances control, mobility and close-range damage. It is the SMG available at level 4 and a safe all-rounder.

923RPM
30Magazine
90Reserve
64Weapon levels
4Unlock level

How it compares to other submachine guns

WeaponFire rateMagReserveMag dumpWeapon lvlsUnlock (MP lvl)
ISO Nightshade923 RPM30902s644
VEL 46952 RPM401202.5s605 / 13*
Wz.55 Striga651 RPM25752.3s6018 / 21*
PPSh-411110 RPM71713.8s6230 / 27*
X-58 Nyx800 RPM401203s5346 / 34*

Attachment slots

The ISO Nightshade has 9 attachment categories. In MW4 you unlock each attachment once, and it then works on every weapon that accepts it.

We are not publishing our own attachment-by-attachment build until we have tested this weapon in the launch version. Until then, the in-game Gunny optimizer in Create-a-Class and the FOB Gunsmith can suggest close-range, balanced and long-range builds from the attachments you own.

Apex Attachment: ISO Trace

Ammo that tags whoever you hit and shows their movement as a red dot in the optic display.

It blocks the Optic, Ammunition slot(s). Apex Attachments do not use one of your normal attachment slots, and you unlock this one at weapon level 64.

Getting the ISO Nightshade in DMZ

The ISO Nightshade unlocks at player level 4, the same level Create-a-Class opens, so it is available from the start.

In DMZ the player level only matters for leveling, because weapon levels and attachment unlocks are shared with Multiplayer. To actually carry a ISO Nightshade into Hajin:

Any ISO Nightshade you extract with can also be upgraded at the Gunsmith as a one-off copy. You can carry two weapons in and out of a deployment, or more with a Weapon Backpack.

FAQ

What is the ISO Nightshade's fire rate in MW4?

Activision lists the ISO Nightshade at 923 RPM, which is #3 of 5 submachine guns.

How do you unlock the ISO Nightshade?

The ISO Nightshade unlocks at player level 4, the same level Create-a-Class opens, so it is available from the start. That is a Multiplayer player level. In DMZ you get the gun itself by looting it, buying it from the Vendor, or extracting with its Weapon Manual so you can buy it at the Gunsmith.

What is the ISO Nightshade's Apex Attachment?

ISO Trace. Ammo that tags whoever you hit and shows their movement as a red dot in the optic display. It blocks the Optic, Ammunition slot(s). You unlock it by reaching the weapon's maximum level (64).

See all 33 MW4 weapons or the DMZ starter loadouts.

Sources

Last reviewed 2026-10-20. Game data can change with patches. If you spot something outdated, email contact@loadoutvault.com.