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Rifle Ammo Mutation is an assault rifle mod that converts any unused Secondary Ammo into Primary Ammo. The affected rifle will only convert ammo while equipped, and will not convert any ammo type used by holstered secondary weapons until their own ammo is full.

Converted ammo is denoted by a AmmoMutation symbol. The final amount of ammo restored is rounded to the nearest integer.

Stats[]

Rank Effect Cost
0 8.4% 2
1 16.8% 3
2 25.2% 4
3 33.6% 5
4 42% 6
5 50.4% 7

Acquisition[]

Drop Locations[]

Mission Drop Tables

Mission Type Source Rotations
or
Drop Table
Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes
Excavation Tier 3 Excavation C 3.76% 1 0.0376
Excavation Tier 2 Excavation C 3.76% 1 0.0376
Excavation Tier 1 Excavation C 3.76% 1 0.0376
Survival Tier 3 Survival C 3.76% 1 0.0376
Survival Tier 2 Survival C 3.76% 1 0.0376
Survival Kuva Fortress Survival C 4% 1 0.04
Survival Tier 1 Survival C 3.76% 1 0.0376
The Circuit Tier 4 The Circuit (Normal) A 1.49% 1 0.0149

Accessed through Duviri's The Circuit gamemode

The Circuit Tier 6 The Circuit (Normal) A 1.03% 1 0.0103

Accessed through Duviri's The Circuit gamemode

Enemy Drop Tables

Enemy Drop Table Chance[4] Item Chance[5] Chance[6] Expected Kills[7] Quantity[8] Avg. per roll attempt[9]

Sourced from official drop table repository.

Tips[]

Gallery[]

Patch History[]

Update 32.0 (2022-09-07)

  • Rifle Ammo Mutation: Now converts Secondary ammo pickups to 50% of Ammo Pick Up.

Update 29.5 (2020-11-19)

  • Fixed inability to equip Rifle Mutation Mods on the Veldt.

Update 26.0 (2019-10-31)

  • Now an Exilus Weapon mod.
  • Mod capacity drain from 9 to 7.

Hotfix 25.7.2 (2019-08-30)

  • Acceltra can now equip Rifle Ammo Mutation Mod.

Update 15.0 (2014-10-24)

  • Players can now upgrade Rifle, Arrow, Shotgun and Sniper Ammo Mutation Mods from max Rank 3 to max Rank 5 with increased effectiveness.

Hotfix 12.4.3 (2014-03-10)

  • Fixed Rifle Ammo Mutation mod not being compatible with Boltor Prime.

Update 9.3 (2013-07-26)

  • New Ammo Mutator mods: converts unused ammo to select ammo type (Pistol, Shotgun, Rifle, Sniper, Bow).
  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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