ARC-TAN
Updated: Mar 06, 2026
Borderlands 4

Borderlands 4ARC-TAN

Not to go off on a tangent...
  • Content
    Stone Demon
  • Weapon Type
    Shotgun
  • Rarity
    Legendary
  • Manufacturer
    Torgue
  • Elements
    Non-Elemental
    Fire
    Shock
    Corrosive
    Cryo
    Radiation

ARC-TANAll Details

Max DPS
ARC-TAN (Shotgun-BL4)
Copy ARC-TAN Code

ARC-TAN - About

The Legendary Shotgun ARC-TAN is manufactured by Torgue and comes from the Borderlands 4 Stone Demon Bounty Pack.

ARC-TAN - Unique Ability

KA-BOOM - The ARC-TAN fires grenades in a 2-round burst that explode on impact with a large splash radius.

ARC-TAN - Variants

  • Elements
    Non-Elemental
    Fire
    Shock
    Corrosive
    Cryo
    Radiation
  • Listed Projectiles
  • Shot Cost
  • Weapon Parts
    variants
    fixed parts
  • Firmware
    possible
    none
  • Splash Anoints
    possible
    none

ARC-TAN - Shotgun Parts

Weapons usually get one part per group, but sometimes multiple or none. Numbers in the top-right  indicate the range of parts a group can have.
Parts usually have equal drop chances, or it's indicated nearby.

ARC-TAN - Changelog

ARC-TANHow to get it?

Stone Demon Bounty Pack
General Farming Guidance

To collect and equip the Legendary ARC-TAN, you need to own the BL4 Stone Demon Bounty Pack.

Stone Demon items in Borderlands 4 can only come from dedicated source. Here’s your quick start guide:

Farming Preparations

  1. Identify the Best Source: The Sources below are generally ranked from best to worst. Make sure to complete any required quests and be aware of Source Restrictions.
  2. Locate the Source: Make sure you have unlocked the Location.
  3. Equip Your Character: Equip your character to easily overcome enemies.
  4. Set Spawn Point: Locate the nearest Save Station to use as your spawn point.

Bonus Tips

  • Combine Runs: Get more loot per run by integrating nearby sources into your farming route.
  • Track Progress: Track your runs to more precisely predict drops and more clearly monitor progress. Additionally, time your runs to see how tweaks affect your farming efficiency.
  • Speed it up: Explore shortcuts and boost your movement speed to minimize travel time. Also, aim to shorten your time to kill with higher DPS or big damage bursts.
  • Realistic Expectations: Be patient and persistent when farming. Despite precise, verified drop rates, your actual runs might exceed or fall short of inferred expectations.

ARC-TANDrop Rates

  • Vault Card #2
    10Tickets

ARC-TANAll Sources

Vault Card: Stone Demon
challenge

Vault Card: Stone Demon

Challenge
World Wide