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Ammo Case is a mod that allows the Carrier Carrier sentinel to convert any unused ammo type into ammo for the currently equipped weapon and provides increased ammunition capacity.

Converted ammo is denoted by a AmmoMutation symbol.

It is given to players upon claiming Carrier Carrier (CarrierPrime Prime) from the Foundry or buying a Carrier Carrier from the Market.

Stats[]

Rank Ammo Capacity Mutation Delay Cost
0 +5% +5s 2
1 +10% +4s 3
2 +13% +3.5s 4
3 +15% +3s 5
4 +17% +2.5s 6
5 +25% +2s 7

Ammo Conversion[]

Ammo Type Efficiency
(Primary)
Efficiency
(Secondary)
Primary N/A 33%
Secondary 33% N/A

Drop Locations[]

Mission Drop Tables

Mission Type Source Rotations
or
Drop Table
Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes

Enemy Drop Tables

Enemy Drop Table Chance[4] Item Chance[5] Chance[6] Expected Kills[7] Quantity[8] Avg. per roll attempt[9]
Corrupted Butcher 3% 37.94% 1.1382% 88 1 0.011382
Corrupted Lancer 3% 37.94% 1.1382% 88 1 0.011382

Sourced from official drop table repository.

Notes[]

  • The extra 25% ammo maximum is added depending on your weapons' modded ammo maximum (any negative percentage will be offset only by up to 25% of the weapon's own final ammo maximum value).
  • Mutation Efficiency is the same for all ranks and equivalent to a Rank 3 Ammo Mutation Mod.
    • The amount of ammo received depends on the equipped weapon and follows the respective mutation mod for the equipped weapon.
    • Other mutation mods stack with this effect, however the mutation delay will always be applied.
  • Conversion effect does not work with Atmospheric Archguns.

Trivia[]

  • Ammo Case was added as a replacement mod for Carrier's Mod TT 20px Vacuum precept, with all copies of Vacuum converted to Ammo Case. However, copies of Vacuum acquired after Hotfix: The Vacuum Within 2 (2016-10-06) will not be converted.

Bugs[]

  • Due to its mutation delay, sometimes it will consume more than enough ammo pickups in range. Sometimes multiple ammo pickups will be consumed even if you need just 1 bullet.
    • For bows, every shot potentially consumes a lot of ammo pickups within 12m if you have a maxed Mod TT 20px Vacuum equipped.

Patch History[]

Hotfix 22.20.4 (2018-05-22)

  • Fixed Carrier’s Ammo Case precept continuing to function after it has died.

Hotfix 19.6.3 (2017-01-17)

  • Fixed Ammo Case Mod upgrades remaining after death.

Hotfix: The Vacuum Within 2 (2016-10-06)

Changes:
  • Changed the Mod image for Ammo Case to better reflect its role.
Fixes:
  • Fixed Ammo Case still applying its buffs after Carrier has died.
  • Fixed Ammo Case refilling ammo on respawn.
  • Fixed Ammo Case refilling ammo on Host Migration.

Hotfix: The Vacuum Within 1 (2016-10-05)

Fixes:
  • Fixed a crash that would occur when Ammo Case would trigger on a weapon with no ammo (ExaltedBlade130xWhite Exalted Blade, etc).

Update: The Vacuum Within (2016-10-05)

  • Carrier’s precept has been automatically changed to Ammo Case - now increases ammunition capacity and converts ammo pickups into ammo for the currently equipped weapon after a short delay.
  1. Chance to roll item within drop table
  2. Amount rewarded on successful roll
  3. (Quantity × Chance)
  4. Chance to roll drop table
  5. Chance to roll item within drop table
  6. (Drop Table Chance × Item Chance)
  7. (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details
  8. Amount rewarded on successful roll
  9. (Quantity × Chance), average item quantity on a roll attempt (successful or not)
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