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Magazine Extension
Warframe · Mod

Magazine Extension

Archgun magazine-capacity mod

Released Oct 24, 2014

Magazine Extension adds up to +60% Magazine Capacity to an Archgun at rank 5. Depending on the Archgun and use, increased capacity may reduce reload frequency.

TypeArchgunPolaritynaramonMax rank5Base drain4VariantStandardRarityCommon
Magazine Extension GUIDE

Understand Magazine Extension

Useful when…

  • Increasing an Archgun’s magazine capacity when that suits its use.

Effect and fit

Magazine Extension is a Common standard Archgun mod with Naramon polarity, base drain 4, and maximum rank 5. Its listed capacity bonus is +10% at rank 0, +40% at rank 3, and +60% at rank 5.

wiki.warframe.com ↗

Fusion costs

Example fusion steps cost 10 Endo and 483 Credits from rank 0 to 1, 40 Endo and 1,932 Credits from rank 2 to 3, and 160 Endo and 7,728 Credits from rank 4 to 5.

wiki.warframe.com ↗

Capacity and other Archgun effects

Ammo Chain lists +100% Ammo Maximum, addressing a different stat from Magazine Extension’s Magazine Capacity. Archgun Ace lists +50% Fire/Charge Rate and +100% Reload Speed for 9 seconds on a headshot kill; that stated condition matters when considering its effects.

Limitations and tradeoffs

  • Fusion requires Endo and Credits.
  • Magazine Capacity and Ammo Maximum are distinct listed effects.

Common mistakes to avoid

  • Confusing Magazine Capacity with Ammo Maximum.
  • Assuming Archgun Ace’s listed effects apply without a headshot kill.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0+10% Magazine Capacity400
1+20% Magazine Capacity510483
2+30% Magazine Capacity6301,449
3+40% Magazine Capacity7703,381
4+50% Magazine Capacity81507,245
5+60% Magazine Capacity931014,973

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

Magazine Extension — 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.

Warframe Public Export ↗wiki.warframe.com ↗

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
4Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0+10% Magazine Capacity400
1+20% Magazine Capacity510483
2+30% Magazine Capacity6301,449
3+40% Magazine Capacity7703,381
4+50% Magazine Capacity81507,245
5+60% Magazine Capacity931014,973

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

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