Find below weapon information for the Gutter Knife in Modern Warfare 3. This includes MW3 multiplayer camo challenges and MW3 zombies camo challenges. You can find Gutter Knife Military challenges, Gutter Knife Special challenges and Gutter Knife Mastery challenges, for Multiplayer and Zombies. You can also find weapon information and Gutter Knife weapon stats. Don't forget you can tap the cards to track your camo challenge progress!