STB 556 Assault Rifle
Introducing the STB 556, an impressive firearm prominently featured in the highly anticipated Call of Duty: Modern Warfare 2 (2022), proudly claiming its position among the elite Assault Rifles within the game.
Taking center stage, the STB 556 was made available alongside the launch of Modern Warfare 2 on October 28, 2022. It continued to assert its dominance in the intense Warzone 2 landscape, being released on November 16, 2022, coinciding with the thrilling Season One.
The design excellence of the STB 556 is modeled after the real-life AUG A3, an acclaimed and reliable weapon in the world of firearms.
As a proud member of the esteemed Bruen Bullpup Platform family of weapons, the STB 556 stands out for its compact yet powerful nature, well-suited for various combat scenarios.
For all enthusiasts eager to learn vital details about this formidable firearm, including the optimal STB 556 loadout for both MW2's multiplayer and Warzone, as well as a comprehensive list of Weapon Attachments available for the STB 556 in Call of Duty: Modern Warfare 2 and Call of Duty: Warzone 2, all the essential information awaits you right here.
How to unlock the STB 556
Reach Level 41 in Military Ranks
STB 556 Base Weapon Stats
| Fire Rate | 741 rpm |
| Pre-Fire Delay | 0 ms |
| Muzzle Velocity | 590 m/s |
| Burst Delay | 0 ms |
| Ammo Count | 30 |
| Reload Add Time | 1.53 s |
| Empty Add Time | 2.63 s |
| Tactical Sprint | 7.46 m/s |
| Sprint | 5.84 m/s |
| Forward | 4.63 m/s |
| Strafe | 3.28 m/s |
| ADS Time | 240 ms |
| Field of View (FoV) | 50 ° |
| ADS Spread | 0 ° |
| Drop Time | 600 ms |
| Raise Time | 833 ms |
| Sprint to Fire | 110 ms |
| Tactical Sprint to Fire | 210 ms |
| ADS Forward | 2.46 m/s |
| ADS Strafe | 1.95 m/s |
| Strafing Hipfire Spread | 5.8 ° |
| View Kick Ver Mul | 1 x |
| View Kick Hor Mul | 1 x |
| Gun Kick Ver Mul | 1 x |
| Gun Kick Hor Mul | 1 x |
| Ends After Shot # | 0 |
| Initial Gun Kick Mul | 1 x |
| Initial View Kick Mul | 1 x |
| Begins On Shot # | 100 |
| Sustained Gun Kick Mul | 1 x |
| Sustained View Kick Mul | 1 x |
STB 556 Weapon Progression - All Attachments Unlocked with Leveling
Here are all the attachments that are unlocked by leveling up the STB 556 in Modern Warfare 2:
| ATTACHMENTS | LEVEL |
|---|---|
| 18" Bruen Guerilla | 2 |
| Schlager TTF3 Riser | 3 |
| SAKIN Tread-40 | 4 |
| VLK LZR 7MW | 5 |
| Schlager Night View | 6 |
| 5.56 High Velocity | 7 |
| XTEN Drop Grip | 8 |
| 42 Round Mag | 9 |
| STIP-40 Grip | 10 |
| 508mm Rear Guard | 11 |
| Bruen MX9 Stock | 12 |
| 24.4" Bruen S-620 | 14 |
| Dark KX30 | 15 |
| TL40 Fire Drake | 16 |
| Single Tap Mod | 17 |
| Harbinger D20 | 18 |
| Bruen HCR 56 Stock | 20 |