Modern Warfare 3 STB 556 Unlock Level - Modern Warfare 3

STB 556 Unlock Level

Weapon Rank Unlocked Weapon Type
STB 556 Unlocked at Rank 41 Assault Rifle

Bruen Bullpup Weapon Platform Unlock Level

There are 3 different weapons that players can unlock in the Bruen Bullpup Weapon Platform.

Weapon Rank Unlocked Weapon Type
STB 556 Unlocked at Rank 41 Assault Rifle
MX9 Unlocked at STB 556 Level 13 SMG
HCR 56 Unlocked at STB 556 Level 20 LMG

Modern Warfare II Bot Lobbies & Weapon Boosting

MW3 Weapon Unlock Levels