MK.78

Also known as MK78, MK-78

Light machine gun nerfed across every damage band and bullet velocity in Season 04. Season 05 increased its time to overheat with the Belt Fed magazine.

Checked 27 July 2026

Attachments

Attachments with a recorded relationship to this weapon.

Belt Fed Magazine
Magazine
Light machine gun magazine. Season 05 increased the time before overheating for weapons using it.

Key facts

MK.78

Class: LMG
Game: BO7
Ruleset: Black Ops 7 — Multiplayer (Core)
Attachments: 1 recorded
Also known as: MK78, MK-78

Identity last checked 27 Jul 2026

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Put MK.78 beside up to three other weapons in the same ruleset.

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Sources

Call of Duty: Warzone Season 04 Patch NotesOfficially listed
Activision Publishing, Inc. · Raven Software · published 1 Jun 2026 · accessed 27 Jul 2026
Publication date recorded as the Season 04 month; the page states Season 04 without a day-level date, so the day is an approximation flagged on the patch record.
Call of Duty: Black Ops 7 Season 05 Patch NotesOfficially listed
Activision Publishing, Inc. · Treyarch · published 22 Jul 2026 · accessed 27 Jul 2026
Read directly from the official patch notes page. The Assault Rifle section headed 'WEAPON: AN-94' contains a damage table captioned 'VOYAK KT-3 DAMAGE ADJUSTMENTS'; see the data conflict recorded on the AN-94 multiplayer weapon version.

Attachments

Other LMG