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BO2

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Black Ops

BO72025 · TreyarchLive

BO62024 · Treyarch

Cold War2020 · Treyarch

BO42018 · Treyarch

BO32015 · Treyarch

BO22012 · Treyarch

BO12010 · Treyarch

Modern Warfare

MW42026 · Infinity WardOverview

MW20192019 · Infinity Ward

MW32011 · Infinity Ward

MW22009 · Infinity Ward

CoD42007 · Infinity Ward

Original / WWII

Vanguard2021 · Sledgehammer Games

WWII2017 · Sledgehammer Games

WaW2008 · Treyarch

CoD32006 · Treyarch

CoD22005 · Infinity Ward

CoD2003 · Infinity Ward

Other

IW2016 · Infinity Ward

Ghosts2013 · Infinity Ward

Battle Royale

Warzone2020 · Raven SoftwareLive

All games/Black Ops

Call of Duty: Black Ops II

Released 13 November 2012

Treyarch

Home
BO2
Equipment
Concussion

TacticalMultiplayer

Concussion

Also in 5 games — switch version:

BO6
BO4
BO3
BO2
BO1

Effect

Grenade that disorients enemies and slows their movement.

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Other BO2 equipment

Frag Grenade
Semtex
Combat Axe
Bouncing Betty
C4
Claymore
Smoke Grenade
Sensor Grenade

Key facts

Concussion

Game: BO2
Type: Tactical
Product: Multiplayer

Sources

Black Ops 2 Weapons — All 40 Guns + Unlock LevelsSecondary reporting
Boss Lobbies · accessed 6 Aug 2026
Multiplayer weapon roster and rank-unlock levels cross-checked against the community weapon list. Identity only — no in-game statistics are recorded for these weapons yet.

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Call of Duty weapon, map, killstreak and patch data — sourced to the official publication it came from, versioned by patch, and kept separate for multiplayer and Warzone. Unverified values are shown as unverified.

Data last verified 6 August 2026 against 38 recorded sources. How we know this.

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