This is the best class build for the M4, a type of Assault Rifle in Call of Duty: Modern Warfare 2 (MW2). Check here to learn how to play the best loadout for the M4, including the best attachments and recommended Perk Package.
List of Contents
- Overview and Stats
- Best Loadout and Attachments
- Weapon Progression
- All Compatible Attachments
- Related Guides
M4 Overview and Stats
Weapon Overview
| M4 | |||||
|---|---|---|---|---|---|
| |||||
| Basic Info | |||||
| Platform: M4 Weapon Class: Assault Rifle Max Level: 20 | Magazine Capacity: 30 Reserve Ammo: 60 Fire Modes: Full-Auto/Semi-Auto | ||||
| How to Unlock | Unlocked by default. | ||||
Weapon Stats
| Damage |  |
|---|---|
| Fire Rate |  |
| Range |  |
| Accuracy |  |
| Recoil Control |  |
| Mobility |  |
| Handling |  |
M4 Best Loadout and Attachments
Best M4 Class Build
| Weapon Loadout | |
|---|---|
| Primary | M4 |
| Secondary | X13 Auto |
| Tactical | Stun Grenade |
| Lethal | Semtex |
| Base Perk 1 | Double Time |
| Base Perk 2 | Scavenger |
| Bonus Perk | Fast Hands |
| Ultimate Perk | Quick Fix |
| Field Upgrade | Dead Silence |
Best M4 Attachment Loadout
| Barrel | Tempus Trench Pro |
|---|---|
| Muzzle | SAKIN Tread-40 |
| Laser | 1MW Laser Box |
| Underbarrel | FSS Sharkfin 90 |
| Rear Grip | Sakin ZX Grip |
How to Play
This M4 loadout minimizes recoil and maximizes ADS speed without making any considerable reductions in damage output. The reload speed of the M4 will be made quicker through the Fast Hands bonus perk. Players can also go behind enemy lines faster through the Double Time perk coupled with the Dead Silence field upgrade.
To maximize the full potential of this loadout, it is recommended for players to use an aggressive, run-and-gun playstyle with the intention of pushing enemy spawns without being detected.
M4 Weapon Progression
Progression Tree: All Unlockables
| ||
| All Unlockables | ||
|---|---|---|
| SZ Lonewolf Optic Optic (Level 2) | Echoline GS-X Muzzle (Level 3) | 11.5” T-H4 Barrel Barrel (Level 4) |
| 45 Round Mag Magazine (Level 5) | FSS Sharkfin 90 Underbarrel (Level 6) | Stock Category Unlock (Level 7) |
| Corio Precio Factory Stock (Level 7) | Rear Grip Category Unlock (Level 8) | Sakin ZX Grip Rear Grip (Level 8) |
| Ammunition Category Unlock (Level 9) | 5.56 Armor Piercing Ammunition (Level 9) | Tempus Trench Pro Barrel (Level 10) |
| Tempus P80 Strike Stock Stock (Level 11) | Laser Category Unlock (Level 12) | 1MW Laser Box Laser (Level 12) |
| FTAC Recon Receiver (Level 13) | Demo D50 Buffer Tube Stock (Level 14) | Hightower 20” Barrel Barrel (Level 15) |
| XTEN Grip Rear Grip (Level 16) | 556 Icarus Receiver (Level 18) | Demo Fade Pro Stock Stock (Level 19) |
| Weapon Tuning Feature Unlock (Level 20) | ||
NOTE: Newly acquired weapons will have locked attachment slots at Level 1. Category Unlocks are upgrades that unlock these attachment slots for use.
Guns Unlocked by Leveling the M4
| All Gun Unlocks | |
|---|---|
| 556 IcarusUnlocked by leveling the M4 to Level 18. | FTAC ReconUnlocked by leveling the M4 to Level 13. |
All Compatible M4 Attachments
M4 Barrels
| Tempus Trench Pro | 419MM EXF Barrel | Hightower 20” Barrel |
| 11.5” T-H4 Barrel | 11.5” Carbine Shroud | 14” Carbine Shroud |
| 7.5” Tempus Firebrand |
M4 Magazines
| 45 Round Mag | 60 Round Mag |
M4 Stocks
| Ravage-8 | Tempus P80 Strike Stock | Corio Precio Factory |
| Demo D50 Buffer Tube | Demo Fade Pro Stock | Demo Precision Elite Factory |
M4 Rear Grips
| Sakin ZX Grip | D15 Grip | XTEN Grip |
| Phantom Grip | Support CP90 Grip |
M4 Muzzles
| Echoline GS-X | Corvus Slash Gen. 2 | Dark KX30 |
| VLK Koloss Flash Hider | Broadhead-3DP | Silentfire XG6 |
| Harbinger D20 | Echoless-80 | FSS Covert V |
| Gauge-9 Mono | RF Crown 50 | Komodo Heavy |
| XTen Ported 290 | Cronen OP44 | FTac Castle Comp |
| XTen Havoc 90 | SAKIN Tread-40 | C400 Door Knocker |
M4 Underbarrels
| Phase-3 Grip | Merc Foregrip | Lockgrip Precision-40 |
| Hex-40 Grip | Schlager Tango | VX Pineapple |
| OP-X9 Foregrip | TV Wrecker Grip | Bruen Tilt Grip |
| Cronen Grooveshot Grip | Bruen Warrior Grip | Bipod V9 Grip |
| Level Aim Bipod | Cornerstone Bipod | XTen Stable Shot |
| SPW 40mm | Corvus Masterkey | FSS Sharkfin 90 |
| Operator Foregrip | Edge-47 Grip | Demo Firm Grip |
| XTEN Gravedigger | FTac Ripper 56 | Demo Cleanshot 40 |
| Demo Imp-44 Grip | FTac Tiger Grip | Agent Grip |
| Bruen Sync Shot Grip | XTEN Drop Grip |
M4 Ammunition
| 5.56 Armor Piercing | 5.56 Overpressured +P | 5.56 Frangible |
| 5.56 High Velocity |
M4 Lasers
| Corio LAZ-44 V3 | 1MW Laser Box | Luminate-44 |
| SZ 1MW PEQ | Schlager PEQ Box IV | FSS OLE-V Laser |
| Canted Vibro-Dot 7 | STOVL DR Laser Box | Corvus PEQ Beam-5 |
| FTac Grimline Laser | DXS Flash 90 |
M4 Optics
| SZ Mini | Corvus SOL-76 | Corio RE-X Pro |
| SZ Lonewolf Optic | DR582 Hybrid Sight | Slimline Pro |
| Cronen Mini Red Dot | Cronen Mini Pro | SZ Sigma-IV Optic |
| SZ Minitac-40 | XRK On-Point Optic | DF105 Reflex Sight |
| Monocle CT90 | SZ Recharge-DX | SZ SRO-7 |
| Corio Enforcer Optic | Kazan-Holo | Corvus Downrange-00 |
| SZ Holotherm | XTEN Angel-40 | VLK 4.0 Optic |
| Schlager 4X | Forge Tac Delta 4 | Cronen Zero-P Optic |
| SZ Bullseye Optic | SZ Aggressor-IR Optic | Schlager Night View |
| VX350 Thermal Optic | Teplo-OP3 Scope | Hybrid Firepoint |
| SZ Vortex-90 | BPZ40 Hybrid | Angel-40 4.8x |
| Thermo-Optic X9 | Teplo Clear Shot | FTac Charlie7 |
| HMW-20 Optic | Luca Bandera Scope | Drexsom Prime-90 |
| ARES Clear Shot |
M4 Camos & Blueprints
All M4 Camos
| Camo | Challenge | Lv. Unlock |
|---|---|---|
| Get 50 kills with the M4 | 2 |
| Get 50 kills while ADS with the M4 | 8 |
| Get 10 double kills with the M4 | 13 |
| Get 15 kills from behind with the M4 | 19 |
| Get 3 kills without dying 10 times with the M4 | N/A |
All M4 Blueprints
| Blueprint | How to Get |
|---|---|
| EnlargeUnion Guard | Completing the Campaign |
| EnlargeDragonfly | Pre-order the Playstation-exclusive Oni Operator Bundle |
| EnlargeSecret Weapon | Purchase the Overgrown Bundle |
| EnlargeMortal's Bane | Unlock the Victory Sector of the Season 1 Battle Pass |
| EnlargeShort Fuse | Purchase the Executive Warfighter Bundle |
| EnlargeFlatline | Purchase the Infinite Warfighters: ETH.3N Bundle |
| EnlargePulling G's | Purchase the After Burner Bundle to Unlock |
Call of Duty: Modern Warfare 2 (MW2) Related Guides
List of All Weapons
Weapons by Type
| Weapons by Type | |
|---|---|
| Melee Weapons | Handguns |
| Assault Rifles | Battle Rifles |
| Submachine Guns | Shotguns |
| Light Machine Guns | Marksman Rifles |
| Sniper Rifles | Launchers |
Tier Lists & Best Weapons
| Best Weapons | |
|---|---|
| Best Guns for Multiplayer | Best Guns for Campaign |
| Best Sniper Rifle | Best Assault Rifle |
| Best Quickscope Class | Best Submachine Gun |
| Best Marksman Rifle | Best Assault Class |
| Best Shotgun | - |
All Assault Rifle Weapons
| List of All Assault Rifle Weapons | |||
|---|---|---|---|
| Lachmann-556 |  M4 | M16 | |
| Kastov-74u | TAQ-56 | Kastov 762 | |
| Kastov 545 | STB 556 | Chimera | |
| M13B | |||
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