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Overpressured Rounds
Warframe · Mod

Overpressured Rounds

Rifle augment for EFV-5 Jupiter

Released Aug 12, 2026

Overpressured Rounds rewards switching between the EFV-5 Jupiter’s rifle and Buckshot attacks: rifle kills improve the next Buckshot attack’s falloff distance and spread, while Buckshot kills return part of the current magazine. Consider it if you use both attacks and can secure kills with each.

TypeEFV-5 JupiterPolaritymaduraiMax rank5Base drain2VariantStandardRarityRare
Overpressured Rounds GUIDE

Understand Overpressured Rounds

Useful when…

  • Use rifle kills to prepare a Buckshot attack with greater falloff distance and reduced spread.
  • Use Buckshot kills to restore part of the current magazine.

How the effect works

A rifle kill adds falloff distance and decreases spread for the next Buckshot attack. A Buckshot kill restores a percentage of the current magazine. At rank 5, those effects are +120% falloff distance and 50% magazine restoration; at rank 0, they are +20% and 25%.

wiki.warframe.com ↗

When to equip it

The effect supports alternating between rifle kills and Buckshot attacks. It offers less value if you rely on only one attack, since each bonus depends on a kill with the other attack. It is a standard rifle mod compatible with EFV-5 Jupiter, with Madurai polarity and base drain 2.

Rank investment

It ranks from 0 to 5. Rank increases both the falloff bonus and the magazine fraction returned, so rank it according to how often you trigger both effects and your available Endo and credits. The listed rank 4 to 5 step costs 480 Endo and 23,184 credits.

wiki.warframe.com ↗

Limitations and tradeoffs

  • Both effects require a kill with a particular attack; the rifle effect also applies only to the next Buckshot attack.
  • The listed magazine return is a percentage of the current magazine.

Common mistakes to avoid

  • Expecting the rifle bonus without a rifle kill.
  • Treating the Buckshot magazine return as a fixed number of rounds.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0Rifle kills add 20% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 25% of the current Magazine.200
1Rifle kills add 40% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 30% of the current Magazine.3301,449
2Rifle kills add 60% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 35% of the current Magazine.4904,347
3Rifle kills add 80% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 40% of the current Magazine.521010,143
4Rifle kills add 100% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 45% of the current Magazine.645021,735
5Rifle kills add 120% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 50% of the current Magazine.793044,919

These are listed mod effects and fusion costs, not final build damage. Matching and mismatched polarities change capacity. Totals assume starting at rank 0.

References and version

Game data version: Pinned public export

Overpressured Rounds — WARFRAME Wiki ↗wiki.warframe.com ↗
Technical source data for verification

These machine-readable game records support the calculations and factual checks. The wiki references above are intended for reading.

Raw game data (JSON) ↗wiki.warframe.com ↗Warframe Public Export ↗

Original data record ↗

Optional: calculate an upgrade or configurationOpen the calculator when you want a cost estimate or a compatibility check.
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Fusion cost and capacity

0Endo
0Credits
2Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0Rifle kills add 20% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 25% of the current Magazine.200
1Rifle kills add 40% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 30% of the current Magazine.3301,449
2Rifle kills add 60% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 35% of the current Magazine.4904,347
3Rifle kills add 80% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 40% of the current Magazine.521010,143
4Rifle kills add 100% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 45% of the current Magazine.645021,735
5Rifle kills add 120% Falloff Distance and decrease Spread for next attack with Buckshot. Buckshot kills restore 50% of the current Magazine.793044,919

Slot polarity changes drain; fusion prices depend on mod rarity and family.

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