USBs are random drops that contain Weapon Skins. They require USB Keys to open, which can only be purchased from the store for $2.49 or bought on the Steam Marketplace.

Unwanted USBs can either be sold on the Marketplace, or recycled into Weapon Skin Materials for Crafting.

Available USBs

  • Zed Killer
  • Stories of War
  • Cyberbone
  • Horzine Issue
  • Dragonfire
  • Tactical Horzine
  • Predator
  • Emergency Issue
  • Street Punks
  • Horzine First Encounter
  • Ol' Exhibit
  • SWAT
  • Medic
  • Victorian
  • Tactical MKII
  • Bone Crusher
  • Deepstrike
  • High Voltage
  • Spitfire
  • Vietname
  • Junkyard
  • Neon
  • Weapon Collector Pack 1
  • Neon MKII
  • Bluefire
  • Neon MKIII


  • Vault Crates (which only drop from the Vault) can also contain Weapon Skins, and unlike normal crates or usbs, Vault Crates are free to open without needing to buy a key. Vault Crates have their own set of weapon skins exclusive to them.
  • Console versions do not use USBs, and instead have Crates for both Gear and Weapon Skins.