Call of Duty: Black Ops 6

Black Ops 6 PU-21

Light Machine GunsAvailable from the initial weapon selectionTakes camo
Light Machine GunsPU-21 — Call of Duty: Black Ops 6 weapon render

How do you unlock the PU-21?

The PU-21 is an automatic LMG that rewards controlled sustained fire in Black Ops 6. It is available from the initial weapon selection. Its Multiplayer, Zombies and Warzone camo challenges are separate; weapon levels are not a prerequisite for starting Military camos.

UnlockDefault
AvailabilityBase-game rank unlock; Prestige can relock player-level access unless a Permanent Unlock or blueprint entitlement applies.
Takes camoYes

Reviewed September 18, 2026. Compiled from official Call of Duty progression and seasonal articles plus the public Call of Duty Wiki camouflage tables, reviewed September 18, 2026. This is a source review, not an in-game verification or confirmation that historical events and packs remain available.

Sources: Call of Duty — progression and Mastery · Call of Duty — launch weapons and ranks · Call of Duty — Season 2 Special equip change · Call of Duty Wiki — full camo table · Call of Duty — Pack-a-Punch cosmetics and upgrades

Weapon sources: Call of Duty — launch weapon roster · Call of Duty Wiki — exact Special challenges

How does the PU-21 play in Black Ops 6?

Rolean automatic LMG that rewards controlled sustained fire
Real-world basisBlack Ops 6 in-game weapon; this guide does not claim an unverified real-world equivalent.
Useful setupUse Gunsmith’s detailed statistics to check what a change does to this weapon, then test the result in the Firing Range; Keep any attachment, magnification or suppressor required by the selected Special challenge equipped until that challenge is complete
Challenge noteEach mode has nine Military camos, the two weapon-specific Specials listed below, and four Mastery stages. Complete requirements in their named mode.
Progression tipMultiplayer ends at Dark Matter, Zombies at Nebula and Warzone at Abyss. The final Mastery stages require the 33-weapon prerequisite and an individual weapon challenge. Prestige preserves weapon progression and camos.

PU-21 — Warzone camo challenges

BraveryUnlock all nine Warzone Military camos on the PU-21. Get 5 Kills on a Most Wanted Contract target in Warzone using the PU-21.
DestinedUnlock all nine Warzone Military camos on the PU-21. Get 2 Kills without taking damage 5 times in Warzone using the PU-21.

PU-21 — Zombies camo challenges

JusticeUnlock all nine Zombies Military camos on the PU-21. Get 30 Hipfire Kills in Zombies using the PU-21.
VividUnlock all nine Zombies Military camos on the PU-21. Get 10 Mangler Eliminations in Zombies using the PU-21.

PU-21 — Multiplayer camo challenges

Neon BathUnlock all nine Multiplayer Military camos on the PU-21. Get 30 Kills after sprinting in Multiplayer using the PU-21.
VigilanceUnlock all nine Multiplayer Military camos on the PU-21. Get 2 Kills without reloading 10 times in Multiplayer using the PU-21.

Mode mastery routes

MultiplayerGold Diamond Dark Spine Dark Matter
ZombiesMystic Gold Opal Afterlife Nebula
WarzoneGold Tiger King’s Ransom Catalyst Abyss

Every camo, exact unlocks — see the full Black Ops 6 camo directory.

Browse camos

PU-21 — common questions

How do you unlock the PU-21 in Black Ops 6?

The PU-21 is an automatic LMG that rewards controlled sustained fire in Black Ops 6. It is available from the initial weapon selection. Its Multiplayer, Zombies and Warzone camo challenges are separate; weapon levels are not a prerequisite for starting Military camos. Base-game rank unlock; Prestige can relock player-level access unless a Permanent Unlock or blueprint entitlement applies.

How do you unlock camos on the PU-21?

Start with nine Military camos in your chosen mode, then complete the two PU-21 Special challenges shown on this page. Multiplayer follows Gold, Diamond, Dark Spine and Dark Matter; Zombies follows Mystic Gold, Opal, Afterlife and Nebula; Warzone follows Gold Tiger, King’s Ransom, Catalyst and Abyss. Each Mastery finish has its own prerequisite and weapon challenge.

More Light Machine Guns

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