Multiplayer classes

Multiplayer classes refer to the preset classes in both on-line and split-screen multiplayer modes. They're in  Call of Duty 3 , Call of Duty 4: Modern Warfare, Call of Duty: World at War, and Call of Duty: Modern Warfare 2. There are 15 in Call of Duty 4: Modern Warfare, and include the following:

Preset Classes for Online Play on Call of Duty 4
Assault

Role: Basic all-purpose infantry

Equipment:

Primary Weapon: M16A4 w/ Grenade launcher

Sidearm: M9

Perk 1: Grenade Launcher

Perk 2: Stopping Power

Perk 3: Extreme Conditioning

Grenades: Frag/Stun x1

Spec Ops

Role: Surgical strikes

Equipment:

Pri.: MP5

Sdm.: USP .45 w/ Silencer

P-1: C4 x2

P-2: Sonic Boom

P-3: Steady Aim

Gnds: Frag/Flash x1

Heavy Gunner

Role: Directed assault

Equipment:

Pri.: M249 SAW

Sdm.: USP .45

P-1: Stun x3

P-2: Juggernaut

P-3: Deep Impact

Gnds.: Frag x1

Demolitions

Role: Explosive solutions

Equipment:

Pri.: W1200

Sdm.: M9

P-1: RPG-7 x2

P-2: Sonic Boom

P-3: Extreme Conditioning

Gnds.: Frag/Smoke x1

Sniper

Role: Anti-infantry attacks from safe distances

Equipment:

Pri.: M40A3

Sdm.: M9 w/ Silencer

P-1: Flash x3

P-2: Stopping Power

P-3: Deep Impact

Gnds: Frag x1

Preset Classes for System Link and Split Screen for Call of Duty 4
Grenadier

Role: A slightly more advanced "Assault"

Equipment:

Pri.: M16A4 w/ GL

Sdm.: M9

P-1: GL

P-2: Stopping Power

P-3: Martyrdom

Gnds: Frag/Flash x1

Ghost

Role: A slightly more advanced "Spec Ops"

Equipment:

Pri.: MP5 w/ S

Sdm.: USP .45 w/ S

P-1: Bomb Squad

P-2: UAV Jammer

P-3: Dead Silence

Gnds.: Frag/Smoke x1

Survivialist

Role: Heavy machinegunner

Equipment:

Pri.: M60E4 w/ Grip

Sdm.: Desert Eagle

P-1: N/A

P-2: Juggernaut

P-3: Last Stand

Gnds.: Frag/Stun x1

Pointman

Role: First encounter trooper

Equipment:

Pri.: W1200 w/ Red dot sight

Sdm.: M1911 .45

P-1: Frag x3

P-2: Double Tap

P-3: Steady Aim

Gnds.: Flash x1

Marksman

Role: Long-range assassin

Equipment:

Pri.: R700

Sdm.: M9 w/ S

P-1: Claymore x2

P-2: UAV Jammer

P-3: Iron Lungs

Gnds.: Frag/Stun x1

Warfighter

Role: Fast attacks

Equipment:

Pri.: G36C w/ RDS

Secondary Weapon: G3 w/ ACOG scope

P-1: Bandolier

P-2: Overkill

P-3: Extreme Conditioning

Gnds.: Frag/Smoke x1

Close Quarters

Role: Unit strong vs. light soldiers

Equipment:

Pri.: P90 w/ RDS

Sdm.: M9

P-1: Flash x3

P-2: Stopping Power

P-3: Last Stand

Gnds.: Frag x1

Overwatch

Role: A balance of damage, accuracy, and power

Equipment:

Pri.: M249 SAW w/ ACOG

Sdm.: Desert Eagle

P-1: RPG-7 x2

P-2: Sleight of Hand

P-3: Deep Impact

Gnds.: Frag/Stun x1

Defender

Role: Purely damage-based missions

Equipment:

Pri.: M1014

Sdm.: USP .45

P-1: C4 x2

P-2: Sonic Boom

P-3: Martyrdom

Gnds.: Frag/Stun x1

Sharpshooter

Role: A more frontline sniper

Equipment:

Pri.: M21

Sdm.: M1911 .45 w/ S

P-1: Bandolier

P-2: Stopping Power

P-3: Deep Impact

Gnds.: Frag/Flash x1

Grenadier
Primary: FAMAS w/M203

Seconary: SPAS-12 Silencer

Perk 1: Scavenger

Perk 2: Stopping Power

Perk 3: Commando

Equipment: Frag

Special Grenade: Stun Grenade x2

First Recon
Primary: UMP .45 Holographic Sight

Secondary: .44 Magnum w/ Tactical Knife

Perk 1: Marathon

Perk 2: Lightweight

Perk 3: Ninja

Equipment: Semtex

Special Grenade: Flashbang x2

Overwatch
Primary: L86 LSW Grip & Red Dot Sight

Secondary: AT4

Perk 1: Bling

Perk 2: Danger Close

Perk 3: SitRep

Equipment: Semtex

Special Grenade: Flashbang x2

Scout Sniper
Primary: Barrett .50cal Heartbeat Sensor & FMJ

Secondary: USP .45 Silencer

Perk 1: Bling

Perk 2: Cold-Blooded

Perk 3: Scrambler

Equipment: Tactical Insertion

Special Grenade: Smoke

Riot Control
Primary: Riot Shield

Secondary: Akimbo PP-2000s

Perk 1: Marathon

Perk 2: Hardline

Perk 3: Commando