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How to Get Rubedo-Lined Barrel in Warframe (2026): Where It Drops, Stats and Is It Worth It
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How to Get Rubedo-Lined Barrel in Warframe (2026): Where It Drops, Stats and Is It Worth It
Increases Archgun damage by 100% at max rank
Last Updated on September 18, 2026
The short answer
Rubedo-Lined Barrel is an uncommon archgun mod: Increases Archgun damage by 100% at max rank. Caelus Interception on Uranus, rotation A, or the Grineer Dargyns on the Plains that drop it at 1.4 percent. The Serration of Archguns: 100 percent base damage.
Reviewed September 13, 2026, current through Update 43.5. Stats are max rank from the live game data, drop chances from the official drop tables; this page is re-checked after every major patch.
| Mod facts | |
|---|---|
| Slot | Archgun |
| Rarity | Uncommon |
| Polarity | Madurai (V) |
| Drain at max rank | 11 (rank 5) |
| At max rank | +100% Damage |
| Fastest route | Caelus Interception on Uranus, rotation A, or the Grineer Dargyns on the Plains that drop it at 1.4 percent. |
| On our builds | 5 of 242 weapon pages |
Table of Contents
The card
Tap it to unfold the full card at max rank.
11
Rubedo-Lined Barrel
Rubedo-Lined Barrel
+100% Damage
Archgun
Where it drops
Official drop table, best chance first.
| Where | Chance | Rarity |
|---|---|---|
| Uranus/Caelus (Interception), Rot A | 2.51% | Rare |
| Locust Drone | 2.21% | Uncommon |
| Tusk Shield Dargyn | 1.38% | Uncommon |
| Tusk Dargyn | 1.38% | Uncommon |
| Tusk Command Dargyn | 1.38% | Uncommon |
| Kuva Dargyn | 1.38% | Uncommon |
| Hellion Dargyn | 1.38% | Uncommon |
| Vena | 0.28% | Rare |
| Exo Eviscerator | 0.28% | Rare |
| Exo Supressor | 0.28% | Rare |
| Gyre Gokstad Officer | 0.26% | Rare |
| Gyre Gokstad Pilot | 0.26% | Rare |
Weapons we put it on
Rubedo-Lined Barrel is in the recommended build on these guides; the tile opens the full build with every mod card.
Tips that save runs
- Archgun builds focusing on raw damage.
- Mausolon with other damage mods.
- Imperator Vandal with critical chance and damage mods.
- The in-game description rounds the percentage value.
- The actual maximum damage increase is 99.96% at rank 5.
Mistakes that waste runs
- Players may believe the mod provides exactly 100% damage due to rounding.
- Players might try to equip it on primary or secondary weapons.
- Some players might prioritize lower drop chance enemies over the Uranus Interception mission.