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FOBoSLogoThe following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources.

9mm rounds, named small bullets in-game, are a type of ammunition in Fallout: Brotherhood of Steel.


Main article: 9mm
Before the Great War, 9mm was the preferred type of ammunition for small weapons in the Southwest Commonwealth, while the military and the Eastern and Western seaboards tended to favor 10mm ammunition.


They are used in many small guns and are abundant in Chapter 1. After that, they are quite rare and are more often sold by merchants than found.


  • Random loot dropped by enemies from Chapter 1 onwards, increasingly less as the Initiate progresses and gets higher tier weapons with matching (energy) ammo.
  • Sold by all merchants

Weapons using this ammunitionEdit