All attachments available for STB 556
All the attachments that can be unlocked for the STB 556 in MW3 can be found below
Modern Warfare 3 STB 556 unlock level
The process of unlocking the STB 556 in Modern Warfare 3 is incredibly straightforward. Here's what you need to do:
- Reach level 55 and complete unlock challenge
Modern Warfare 3 STB 556 loadout & build
MW3 STB 556 Loadout Setup
- Primary - STB 556
- Secondary - X13 Auto
- Tactical - Flash Grenade
- Lethal - Semtex
- Field Equipment - Munitions Box
- Vest - Infantry Vest
- Gloves - Commando Gloves
- Boots - Climbing Boots
- Gear - Mission Control Comlink
- Conversion Kit - None
MW3 STB 556 Attachment Setup
- Comb - FTAC C11 Riser
- Rear Grip - Bruen Q900 Grip
- Laser - STOVL Tac Laser
- Barrel - Bruen Turaco 686mm
- Underbarrel - FSS Sharkfin 90
MW3 STB 556 Camos
MW3 STB 556 Camos is still under investigation but will be added soon!
MW2 STB 556 Carry Forward Camos
Cammo & Challenges
- Sponge Tac - Get 50 kills with the STB 556
- Black Top - Get 20 kills while mounted with the STB 556
- Slate - Get 10 double kills with the STB 556
- Neon Pink - Get 30 kills while crouched with the STB 556
- Gold STB 556 - Get 3 kills without dying 10 times with the STB 556
- Golden Ivory STB 556 - In Zombies, get 100 kills and successfully extract with the STB 556 in a single deployment
- Bioluminescent STB 556 - Complete 51 Arachnida Camo Challenges
- Spinel Husk STB 556 - In Zombies, get 300 kills with the STB 556 while it's Pack-A-Punched
- Arachnida STB 556 - In Zombies, get 10 special or elite zombie kills with the STB 556