Best M13C Loadout: Modern Warfare 3 & Warzone 2

The M13C is currently a A-Tier weapon in the MW3 meta and a A-Tier weapon in the WZ2 meta. We breakdown the best M13C loadouts and builds, how to unlock the M13C, and how to complete M13C camo challenges.

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Portal Staff

The M13C is an AR and was released with Shadow Siege MW3 Reveal Event on August 17, 2023. It may be used in Warzone 2 and weapon progress carries into MW3.

M13C Key Takeaways

  • The M13C is currently a A-Tier option in the MW3 meta and a A-Tier option in the Warzone 2 meta
  • The current best loadout attachments for the M13C in MW3 are: VLK LZR 7mW, FTAC Castle Comp, Edge-47 Grip, 45 Round Mag, and D37 Grip
  • The current best loadout attachments for the M13C in Warzone 2 are: Sakin Tread-40, Aim OP-V4, FTAC Ripper 56, 14″ Bruen Echelon, and 60 Round Mag

For a meta AR loadout check out the Kastov 762.

Best M13C Loadout Warzone

  • Muzzle: Sakin Tread-40
  • Optic: Aim OP-V4
  • Underbarrel: FTAC Ripper 56
  • Barrel: 14″ Bruen Echelon
  • Magazine: 60 Round Mag

Best M13C Loadout MW3

  • Laser: VLK LZR 7mW
  • Muzzle: FTAC Castle Comp
  • Underbarrel: Edge-47 Grip
  • Magazine: 45 Round Mag
  • Rear Grip: D37 Grip

Best M13C Loadout MW2

  • Laser: VLK LZR 7mW
  • Muzzle: FTAC Castle Comp
  • Underbarrel: Edge-47 Grip
  • Magazine: 45 Round Mag
  • Rear Grip: D37 Grip

Unlocking the M13C

The M13C was originally unlocked by completing a challenge in the Shadow Siege limited-time event. It can now be unlocked by getting 35 hipfire kills with an assault rifle.

M13C Camo Challenges

Players must reach the required weapon level before challenge progress can be made towards unlocking the camo.

M13C Multiplayer Camo Challenges

CamoChallengeUnlock Level
CementedGet 50 kills with the M13C2
Poison RiversGet 20 kills while crouched with the M13C5
DemiseGet 40 kills while ADS with the M13C8
Urban RenewalGet 15 double kills with the M13C10
GoldGet 3 kills without dying 10 times with the M13CComplete all base camo challenges
PlatinumGet 25 longshot kills with the M13CComplete 8 Gold challenges with ARs
PolyatomicGet 25 headshot kills with the M13CComplete 51 Platinum camo challenges
OrionN/AComplete 51 Polyatomic camo challenges

M13C Zombie Camo Challenges

CamoChallengeUnlock Level
EntrancedIn Zombies, Get 250 kills with the M13C2
QuagmireIn Zombies, Get 250 kills with full attachments with the M13C5
Repulsive WatersIn Zombies, Get 10 Mangler kills with the M13C8
DreadnoughtIn Zombies, Get 100 kills shortly after using a field upgrade with the M13C10
Golden IvoryIn Zombies, Get 100 kills and successfully extract with the M13C in a single deploymentComplete all zombie base camo challenges
Spinal HuskIn Zombies, Get 300 kills with the M13C while it’s Pack-A-PunchedComplete 8 Golden Ivory challenges with ARs
ArachnidaIn Zombies, Get 10 Special or Elite Zombie kills with the M13CComplete 51 Spinal Husk camo challenges
BioluminescentN/AComplete 51 Arachnida camo challenges

Looking to test or share your M13C loadouts?

Zleague.gg has one of the largest communities of Warzone players on our mobile app. Download the app today and try the LFG feature to form new squads.

You can also test out your loadouts in competitive play with Z League’s Warzone tournaments. All of Z League’s tournaments leverage proprietary skill-based matchmaking (SBMM) algorithms to ensure that you’re always placed in a division with similarly-skilled players.