Call of Duty Modern Warfare 3 (MW3) Walkthrough & Guides Wiki

Call of Duty Modern Warfare 3 (MW3)

STB 556 Best Loadout and Build

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The STB 556 is a type of Assault Rifle in Call of Duty: Modern Warfare 3 (MW3 2023). Learn the best loadout and build setup for the STB 556, including its camo challenges, attachments, stats, and how to unlock.

List of Contents

STB 556 Best Loadout and Build

STB 556 Loadout Setup

Weapon Loadout
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 -

STB 556 Attachment Setup

Barrel Bruen Turaco 686mm
Rear Grip Bruen Q900 Grip
Laser STOVL Tac Laser
Underbarrel FSS Sharkfin 90
Comb FTAC C11 Riser

STB 556 Camo Challenges

All STB 556 MW3 Camos

This section is under priority investigation. Please check back soon!

All STB 556 MW2 Carry Forward Camos

Camo Challenge
Modern Warfare 3 (MW3) - Sponge Tac
Sponge Tac 		Get 50 kills with the STB 556
Modern Warfare 3 (MW3) - Black Top
Black Top 		Get 20 kills while mounted with the STB 556
Modern Warfare 3 (MW3) - Slate
Slate 		Get 10 double kills with the STB 556
Modern Warfare 3 (MW3) - Neon Pink
Neon Pink 		Get 30 kills while crouched with the STB 556
Modern Warfare 3 (MW3) - Gold STB 556
Gold STB 556 		Get 3 kills without dying 10 times with the STB 556
Modern Warfare 3 (MW3) - Golden Ivory STB 556
Golden Ivory STB 556 		In Zombies, get 100 kills and successfully extract with the STB 556 in a single deployment
Modern Warfare 3 (MW3) - Bioluminescent STB 556
Bioluminescent STB 556 		Complete 51 Arachnida Camo Challenges
Modern Warfare 3 (MW3) - Spinel Husk STB 556
Spinel Husk STB 556 		In Zombies, get 300 kills with the STB 556 while it's Pack-A-Punched
Modern Warfare 3 (MW3) - Arachnida STB 556
Arachnida STB 556 		In Zombies, get 10 special or elite zombie kills with the STB 556

How to Get STB 556

How to Unlock STB 556 in MW3

Base Game MW2 GunModern Warfare 2 Gun
How to Unlock Unlocked at Level 41.

Listed above is the How to Unlock method for the gun in Modern Warfare 2. The method might be different in Modern Warfare 3 and, if so, will be updated on release.

Also Available in MW3 Via Carry Forward

The STB 556 can also be used in Modern Warfare 3 through the Carry Forward feature for players who unlocked it in MW2.

For players who haven't unlocked this weapon or who do not own a copy of MW2, the STB 556 might still be unlocked through a separate challenge in MW3.

Carry Forward Explained

All STB 556 Attachments

STB 556 Barrels

508mm Rear Guard 24.4" Bruen S-620 18” Bruen Guerilla
16.5” Bruen S901 FTac FB20 Bruen Turaco 686mm

STB 556 Muzzles

FTac Castle Comp FSS Covert V XTen Ported 290
VLK Koloss Flash Hider XTen Havoc 90 Gauge-9 Mono
Broadhead-3DP Broadhead-3DP Komodo Heavy
Komodo Heavy Cronen Maw-86 C400 Door Knocker
FJX Fulcrum Pro ZULU-60 Dark KX30
Harbinger D20 SAKIN Tread-40 RF Crown 50
RF Crown 50 Echoless-80 Corvus Slash Gen. 2
Echoline GS-X Silentfire XG6 Silentfire XG6
Cronen OP44 VT-7 Spiritfire Suppressor HMRES Mod Suppressor
ELR Blackfire Compensator EX-01 Match Compensator Casus Brake
Colossus Suppressor Purifier Muzzle Brake Monolithic Suppressor
STER45 Skyfury Compensator Sonic Suppressor Shadowstrike Suppressor
Wrathguard Compensator T4LR Saber Compensator T4LR Saber Compensator
T51R Billeted Brake T51R Billeted Brake Endless 30 Compensator
ZEHMN35 Compensated Flash Hider

STB 556 Optics

Corio RE-X Pro Forge Tac Delta 4 Aim Op-V4
XRK On-Point Optic Cronen Mini Pro SZ SRO-7
Cronen Mini Dot Drexsom Prime-90 Kazan-Holo
VLK 4.0 Optic DF105 Reflex Sight SZ Mini
Thermo-Optic X9 HMW-20 Optic Hybrid Firepoint
Luca Bandera Scope SZ Lonewolf Optic Monocle CT90
Corvus Downrange-00 SZ Holotherm Angel-40 4.8x
VX350 Thermal Optic Teplo-OP3 Scope DR582 Hybrid Sight
ARES Clear Shot FTac Charlie7 SZ Bullseye Optic
SZ Minitac-40 Schlager Night View Cronen Zero-P Optic
XTEN Angel-40 BPZ40 Hybrid SZ Vortex-90
Corvus SOL-76 SZ Sigma-IV Optic 3X RFL-Optic
DS Farsight 11 SZ Oscar-9 Schlager 3.4x
Luca Canis 4x Optic SZ Aggressor-IR Optic Corio Enforcer Optic
SZ Recharge-DX Slimline Pro KR Marauder 9 Riser
Corio ELT-10 2.5 Intlas CAS-14 SL Truesight 2.5x
Nydar Model 2023 AOK 4.0x RQ-9 Recon FSS Spectre Microtherm
Slate Reflector Caucasus Reflex Sight KR Mortis Precision 2.5X
Corio Eagleseye 2.5X TOS Nightfall 2.5X Thermal Optic Cronen Intlas MSP-12
JAK Bullseye QTG Reflex Sight Dragon's Eye Optic
KR Intlas LSJ-3

STB 556 Receivers

HCR 56

STB 556 Rear Grips

Bruen Q900 Grip Bruen G305 Grip Wrap STIP-40 Grip

STB 556 Underbarrels

VX Pineapple Cronen Grooveshot Grip OP-X9 Foregrip
Commando Foregrip TV Wrecker Grip Schlager Tango
Lockgrip Precision-40 FTac Ripper 56 Demo Cleanshot 40
Demo Firm Grip FSS Sharkfin 90 Cornerstone Bipod
Bruen Sync Shot Grip XTEN Gravedigger Level Aim Bipod
TL40 Fire Drake XTEN Drop Grip Bruen Tilt Grip
Demo Imp-44 Grip Bipod V9 Grip Merc Foregrip
Phase-3 Grip Operator Foregrip Agent Grip
XTen Nexus Grip EXF Backdraft Grip Bruen Warrior Grip
Hex-40 Grip FTac Tiger Grip XTen Stable Shot
Edge-47 Grip Chewk Angled Grip XTen TX-12 Handstop
Kimura RYN-03 Vertical Grip SL Skeletal Vertical Grip Bruen Tactical Vertical Grip
Bruen Pivot Vertical Grip Ftac SP-10 Angled Grip Bruen Bastion Angled Grip
Bruen Heavy Support Grip XRK Edge BW-4 Handstop Holger Vertical Grip
FTAC MSP-98 Handstop DR-6 Handstop XTEN Phantom-5 Handstop
FTAC RS-9 Stealth Angled Grip Kimura Seraphic Vertical Grip

STB 556 Stocks

Bruen HCR 56 Stock Bruen MX9 Stock

STB 556 Lasers

7MW Canted Laser 1MW Quick Fire Laser Accu-Shot 5MW Laser
1MW Artemis Laser Hipshot L20 VLK LZR 7MW
EXF Solarflare Point-G3P 04 STOVL Tac Laser
Schlager Ulo-66 Laser FJX Ultrabeam XR Verdant Hook Cylindrical Laser
Kimura RYL33 Laser Light CS15 Scarlet Cylindrical Laser Pro Sapphire Cylindrical Laser

STB 556 Magazines

42 Round Mag Single Tap Mod

STB 556 Ammunitions

5.56 Frangible 5.56 Armor Piercing 5.56 High Velocity
5.56 Overpressured +P 5.56 Hollowpoint 5.56 NATO Round Nose
5.56 NATO High Grain Rounds 5.56 NATO Low Grain Rounds 5.56 NATO Mono

STB 556 Trigger Actions

STB 556 doesn't have Trigger Actions.

STB 556 Guards

STB 556 doesn't have Guards.

STB 556 Combs

FTAC C11 Riser Schlager TTF3 Riser Bruen TS-30 Comb

STB 556 Bolts

STB 556 doesn't have Bolts.

STB 556 Loaders

STB 556 doesn't have Loaders.

STB 556 Stats Overview

STB 556 Max Level and Class

STB 556
Modern Warfare 3 (MW3) - STB 556
Class Assault Rifle Rounds 30
Max Level 21 Reserve 60
Fire Modes Full-Auto/Semi-Auto
Description
The STB 556 is a closed-bolt rifle built around modularity and accuracy, ideal for mid to long-range fights.

STB 556 Stats

Damage Modern Warfare 3 (MW3) - Damage
Fire Rate Modern Warfare 3 (MW3) - Fire Rate
Range Modern Warfare 3 (MW3) - Range
Accuracy Modern Warfare 3 (MW3) - Accuracy
Recoil Control Modern Warfare 3 (MW3) - Recoil Control
Mobility Modern Warfare 3 (MW3) - Mobility
Handling Modern Warfare 3 (MW3) - Handling

Modern Warfare 3 (MW3) Related Guides

Modern Warfare 3 - Guns and Weapons

List of All Guns and Weapons

All Guns and Weapon Guides

Guns and Weapon Guides
Best Guns Tier List All New MW3 Guns
All Returning Guns in MW3 Recommended Weapons for Challenges

All Guns and Weapons by Type

Guns and Weapons by Type
Assault Rifles Battle Rifles
Submachine Guns Shotguns
Light Machine Guns Marksman Rifles
Sniper Rifles Handguns
Melee Weapons Launchers

List of All Assault Rifle Weapons

Modern Warfare 2 (MW2) - Kastov-74uKastov-74u Modern Warfare 2 (MW2) - Kastov 545Kastov 545 Modern Warfare 2 (MW2) - Kastov 762Kastov 762
Modern Warfare 2 (MW2) - M4M4 Modern Warfare 2 (MW2) - M16M16 Modern Warfare 2 (MW2) - TAQ-56TAQ-56
Modern Warfare 2 (MW2) - STB 556STB 556 Modern Warfare 2 (MW2) - ISO HemlockISO Hemlock Modern Warfare 2 (MW2) - ChimeraChimera
Modern Warfare 2 (MW2) - M13BM13B Modern Warfare 2 (MW2) - Tempus RazorbackTempus Razorback Modern Warfare 2 (MW2) - M13CM13C
Modern Warfare 2 (MW2) - FR AvancerFR Avancer Modern Warfare 2 (MW2) - TR-76 GeistTR-76 Geist Modern Warfare 2 (MW2) - Lachmann-556Lachmann-556
Modern Warfare 2 (MW2) - MCWMCW Modern Warfare 2 (MW2) - MTZ-556MTZ-556 Modern Warfare 2 (MW2) - SVA 545SVA 545
Modern Warfare 2 (MW2) - FR 5.56FR 5.56 Modern Warfare 2 (MW2) - Holger 556Holger 556 Modern Warfare 2 (MW2) - DG-56DG-56
Modern Warfare 2 (MW2) - RAM-7RAM-7

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