This article is about the Runner Specialization skill in Borderlands 4. For other uses, see In the Zone.
Bullet Train is a passive skill under the Runner node on the Specialization skill tree in Borderlands 4. It becomes available when 10 points are invested in Runner.
Effects
The Vault Hunter can now Hipfire while Sprinting, and gain Gun Damage the faster they move.
- Gun Damage: +15% while Walking
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