User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-69.117.71.119-20110705182049/@comment-1431679-20110706003751

Actually there are two Ballistic Knives. One that uses a spring and another that uses gas like a firearm. The gas version is stronger and has a longer range, but isn't as reliable.