|Magazine Size||1 blade|
|Unlocked||5 challenges in Fallen Angel|
|Starting Ammunition||1+1 (SP)|
|Maximum Ammunition||1+1 (SP)|
- "Spring-action knife launcher. Increases melee speed and can fire the blade as a projectile."
- — Create-A-Class description.
The Spring Knife is a Special weapon available in the campaign mode of Call of Duty: Black Ops II. It reuses the model of the Ballistic Knife from Call of Duty: Black Ops. It is unlocked by completing five challenges in the campaign mission "Fallen Angel".