The CROSSBOW is primarily anti-infantry, though you can shoot at low-flying air support, albeit ineffectively. The Ballistic Knives are well suited to CQB classes that rely on stealth, as they give you the ability to take down an enemy at a distance quietly.
Black Ops 2 (II) - Weapons List - Secondary Specials
COD: Black Ops II
Xbox 360, PlayStation 3, Wii U and PC. Multiplayer is available on Xbox LIVE (Xbox 360), PSN (PS3) and Steam. Xbox LIVE requires Gold Membership.
COD: Black Ops III
The next Call of Duty game is Black Ops 3 and it will be released on November 6 on current and previous generation consoles. Treyarch's new black ops 3 game features all new weapons, perks, scorestreaks and maps.