new itemnerfed itembuffed item
P.A.T. Mk. III
Updated: Sep 05, 2023
Borderlands 3

Borderlands 3
P.A.T. Mk. III

War breeds war again.
  • Content
    Psycho Krieg
  • Weapon Type
  • Rarity
  • Manufacturer
  • Elements

P.A.T. Mk. III
All Details

God Roll
P.A.T. Mk. III (SMG-BL3)
Copy P.A.T. Mk. III Code

P.A.T. Mk. III - About

The Legendary SMG P.A.T. Mk. III is manufactured by Tediore and comes from the Borderlands 3 Psycho Krieg - DLC.

P.A.T. Mk. III - unique Ability

Shoots wiggly bullets that deal regular [weapon element] damage.

The PAT Mk. 3's Reload Explosion deals Card Damage x leftover Bullets.

P.A.T. Mk. III - Turret Reload
When thrown the magazine count of the disposed weapon is refilled.
Weapon throw direct hits always deal full magazine damage.

The thrown PAT Mk 3 explodes on enemy contact or sticks to a surface and becomes a walking turret that shoots nearby enemies.
The walking turret has a chance to fire a laser beam that penetrates enemies and explodes on impact.
When the turrets magazine is empty it runs at an enemy and explodes.

P.A.T. Mk. III - Variants

  • Elements
  • Listed Projectiles
    1 | 2
  • Shot Cost
    1 | 2
  • Splash Radius
  • Weapon Parts
    fixed parts
  • Anointment
  • Splash Anoints

P.A.T. Mk. III - SMG 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.


  • Scope_11.5x Zoom
  • Scope_23.0x Zoom
  • Scope_33.1x Zoom
  • Scope_4


  • Foregrip_1-15% Horizontal Recoil
    +10% Mag Size
    -10% Accuracy
    -5% Damage
  • Foregrip_2+20% Splash Radius
    +10% Accuracy
  • Foregrip_3-30% Vertical Recoil
    +5% Damage
  • Foregrip_4+5% Fire Rate
    +5% Damage


  • Grip_1-30% Horizontal Recoil
    +5% Fire Rate
  • Grip_2Throw Stabilizer+20% Accuracy
    +5% Damage
  • Grip_3-30% Sway
    +10% Mag Size
    -10% Accuracy
    -5% Damage
  • Grip_4+1 Projectile
    +20% Splash Radius
    +1 Shot Cost
    -20% Damage
    -10% Accuracy
    +20% Accuracy Bloom
  • Grip_5Throw Stabilizer-15% Vertical Recoil
    +20% Accuracy


  • Shock9.8%-20% Damage
  • Corrosive9.8%-20% Damage
  • Cryo9.8%-15% Damage

P.A.T. Mk. III - Changelog

Hotfix 01.21.2021:

  • Tediore Nerf: -50% Reload-Explosion Damage

P.A.T. Mk. III
How to Farm

P.A.T. Mk. III
Assigned Loot Pool

P.A.T. Mk. III
World Drop (BL3 - DLC 4)

DLC 4 - World Drop

DLC 4 - World Drop

Psycho Krieg - World Drops are items that drop from any suitable Loot Source, within the Psycho Krieg DLC, in addition to their dedicated sources.
There are 10 weapons, 4 Shields and 4 Class Mods in the Psycho Krieg - World Drop pool, so for farming a specific weapon it's best to seek out its dedicated Source.
If you still want to test your luck, you should equip a Shlooter Artifact or All-in Shield to increase your Legendary World Drop Chances.

Suitable Loot Sources within the DLC:

  • All Enemies:
    Bosses, Crew Challenges, Generic Enemies, …
  • All kinds of Chests
  • Diamond Loot Room

There are 5 Epic Weapons and 2 Epic Shields have no dedicated source!
The best Sources to farm them are:

P.A.T. Mk. III
Drop Rates

  • SpongeBoss
The number next to the Source notes Loot Luck.

Loot Luck Formula


P = Dedicated Loot Pool Chance
L = Loot Luck

P.A.T. Mk. III
Grinder Recipe

This recipe requires 1+ DLC-Legendary!
SMGSMGAny Legendary WeaponplusAny Legendary WeaponSMGplusAny Legendary WeaponAny Uncommon WeaponequalsSMGSMGEpic or Legendary PistolEpic or Legendary Shotgun
The Grinder⚙️ recipe for the displayed chances.
Consoles may have a better recipe that's the best on PC.

P.A.T. Mk. III
Dedicated Sources

SpongeBoss BulletPants

SpongeBoss BulletPants

Castle Crimson
Named Enemy