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Borderlands 4: active Mercenary Day SHiFT cosmetic codes
Gearbox has confirmed that SHiFT cosmetic rewards from Borderlands 4’s 12 Days of Mercenary Day remain available to claim. The roundup includes one ECHO-4 drone skin and four Vault Hunter skins. All listed codes are single-use per SHiFT account and remain valid for a long redemption window. The studio also signals continued Borderlands 4 activity in 2026 – but today’s update focuses on what you can still unlock.
What’s available right now

The remaining Mercenary Day items cover the ECHO-4 drone and all four current Vault Hunters. Each code can be redeemed once per SHiFT account, and the Vault Hunter skins are usable by Vex, Rafa, Amon, and Harlowe. Below is the complete list with codes.
Active Mercenary Day cosmetics – SHiFT codes

The table outlines item names, types, supported characters where applicable, and the exact SHiFT codes. Verify the spelling and hyphens during redemption to avoid errors.
How redemption works

Codes can be entered through the SHiFT website or via the in-game SHiFT menu in Borderlands 4. Redemption limit is one per SHiFT account, and items must be claimed by December 31, 2030. A copy of Borderlands 4, a valid SHiFT Account, and an Internet connection are required; additional terms apply.
Looking ahead to 2026

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Alongside the code recap, the studio indicates more Borderlands 4 activity planned for 2026. No specific content details were provided, but the note suggests ongoing support. Expect further updates as the year progresses.
Final Takeaway – Long window, simple claims

The Mercenary Day SHiFT cosmetics remain active for a lengthy period, offering flexibility for players returning in 2026. If you play any of the four Vault Hunters – Vex, Rafa, Amon, or Harlowe – or use the ECHO-4 drone, these skins are straightforward additions to your collection.
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