Case, 5mm is a crafting item in Fallout: New Vegas.


This item is used as a component to create 5mm rounds on the workbench, along with some lead, primer, small rifle and powder, rifle.


  • When you fire a weapon chambered in the 5mm round, there is a 30% chance you'll get a casing.
  • You'll get 25 5mm casings if you buy a 5mm case box.
  • Occasionally, traveling merchants will sell 5mm casings, but they will always be for free. Likewise, if you try and sell casings to a merchant, you will not receive any money.