Ammo Drum increases the maximum amount of rifle ammunition your Warframe can carry for that weapon.
Stats[]
| Rank | Effect | Cost |
|---|---|---|
| 0 | +15% | 2 |
| 1 | +30% | 3 |
| 2 | +45% | 4 |
| 3 | +60% | 5 |
| 4 | +75% | 6 |
| 5 | +90% | 7 |
| Rank | Effect | Cost |
|---|---|---|
| 0 | 2.5% | 2 |
| 1 | 5% | 3 |
| 2 | 7.5% | 4 |
| 3 | 10% | 5 |
Drop Locations[]
Mission Drop Tables
| Mission Type | Source | Rotations or Drop Table |
Chance[1] | Quantity[2] | Avg. per roll[3] | Star Chart Nodes |
|---|---|---|---|---|---|---|
| Capture | Capture | A | 11.06% | 1 | 0.1106 | |
| Defense | Dark Sector Defense | A | 7.37% | 1 | 0.0737 | |
| Defense | Tier 1 Defense | A | 9.09% | 1 | 0.0909 | |
| Spy | Tier 2 Spy | A | 9.09% | 1 | 0.0909 |
Enemy Drop Tables
| Enemy | Drop Table Chance[4] | Item Chance[5] | Chance[6] | Expected Kills[7] | Quantity[8] | Avg. per roll attempt[9] |
|---|---|---|---|---|---|---|
| Axio Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Axio Engineer | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Axio MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Axio Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Corpus Power Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Deimos Mutalist Osprey Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Denial Bursa | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Drover Bursa | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Eidolon Vomvalyst | 5% | 25.29% | 1.2645% | 79 | 1 | 0.012645 |
| Grineer Power Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Hellion Power Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Isolator Bursa | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Dera MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Disc MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Elite Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Geminex MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Glaxion MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Juno Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Kuva Hellion Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Kuva Power Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Minima MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Mutalist Osprey Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Dera MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Disc MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Geminex MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Glaxion MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Narmer Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Nightwatch Carrier | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Orb Vallis - Enrichment Labs Enemies | 5% | 34.55% | 1.7275% | 58 | 1 | 0.017275 |
| Orm Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Orm Engineer | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Orm MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Orm Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Ratel | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Tarask Bursa | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Taro Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Taro Engineer | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Taro MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Taro Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vapos Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vapos MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vorac Crewman | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vorac Engineer | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vorac MOA | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
| Vorac Tech | 3% | 25.29% | 0.7587% | 132 | 1 | 0.007587 |
Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki.
Notes[]
- For any non-integer maximum ammo capacity values the capacity is rounded down to the nearest whole number. For example, a
Lanka modded with a max rank Ammo Drum will have a calculated maximum ammo capacity of 72 × (1 + 90%) = 136.8, which will round down to 136.
Gallery[]
Old appearance
Trivia[]
- The damaged version of Ammo Drum, along with 1 credit, were offered as a reward for a one hour long Infested Survival alert on the 2016 April Fools' Day.
Patch History[]
Update 26.0 (2019-10-31)
- Ammo Drum increased to +90% Ammo
- Is now an Exilus Weapon mod.
Vanilla (2012-10-25)
- Introduced.
| Ammo Mods | |
|---|---|
| Sentinels |  Ammo Case
|
| Reserve Ammo | Ammo Drum • Shell Compression • Trick Mag
|
| Magazine Capacity | Ammo Stock • Atomic Fallout • Magazine Warp ( Prime) • Shotgun Elementalist • Slip Magazine ( Prime) • Wildfire • Ice Storm • Tainted Mag • Tainted Clip • Burdened Magazine
|
| Ammo Mutation | Rifle Ammo Mutation ( Prime) • Sniper Ammo Mutation ( Prime) • Shotgun Ammo Mutation ( Prime) • Pistol Ammo Mutation ( Prime) • Arrow Mutation • Vigilante Supplies
|
| Ammo Pickup | Amalgam Daikyu Target Acquired • Rifle Scavenger • Shotgun Scavenger • Sniper Scavenger • Pistol Scavenger
|
| Ammo Efficiency | Skull Shots • Brain Storm
|
| Ammo Refund | Blood For Ammo • Wild Frenzy
|
| PvP | Maximum Capacity • Loaded Capacity • Full Capacity • Hydraulic Gauge • Hydraulic Chamber • Hydraulic Barrel • Draining Gloom
|
- ↑ Chance to roll item within drop table
- ↑ Amount rewarded on successful roll
- ↑ (Quantity × Chance)
- ↑ Chance to roll drop table
- ↑ Chance to roll item within drop table
- ↑ (Drop Table Chance × Item Chance)
- ↑ (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details
- ↑ Amount rewarded on successful roll
- ↑ (Quantity × Chance), average item quantity on a roll attempt (successful or not)