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The 12 Gauge Incendiary Shell loads into 6 weapons, the Pump Shotgun and the M4 Shotgun among them.
What one batch takes.
Metal Fragments
Gun Powder
Sulfur
The same recipe expanded until every line is something you gather, smelt or loot.
Sulfur
Charcoal
Metal Fragments
Metal Fragments
Gun Powder
Sulfur
Copy it, then hold Shift and click Paste (JSON) in the conveyor, in game.
[
{
"TargetCategory": null,
"MaxAmountInOutput": 5,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "metal.fragments"
},
{
"TargetCategory": null,
"MaxAmountInOutput": 10,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "gunpowder"
},
{
"TargetCategory": null,
"MaxAmountInOutput": 20,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "sulfur"
}
]
Workbench Level 2, 3s, yields 2
Faster at a higher workbench: 1.5s at Workbench Level 3.
Researching the blueprint costs 30 scrap at a Research Table.
| Weapon | Damage | Headshot | Velocity | Damage per second |
|---|---|---|---|---|
Double Barrel Shotgun | 150, 10 pellets of 15 | ×1 | 100 m/s | 50 |
Eoka Pistol | 150, 10 pellets of 15 | ×1 | 100 m/s | |
M4 Shotgun | 120, 10 pellets of 12 | ×1 | 130 m/s | 110 |
Pump Shotgun | 150, 10 pellets of 15 | ×1 | 100 m/s | 86 |
Spas-12 Shotgun | 112.5, 10 pellets of 11.3 | ×1 | 100 m/s | 107 |
Waterpipe Shotgun | 150, 10 pellets of 15 | ×1 | 100 m/s | 33 |
Damage is one body hit up close, with no armour. A headshot multiplies it against players only. Damage per second empties one magazine and counts the reload. Velocity and spread are applied locally by your game client, while the server bounds their limits.
Crates, barrels and NPCs that drop the 12 Gauge Incendiary Shell, most likely first
| From | Chance | Amount |
|---|---|---|
 Supply Drop | 50% | 4 to 42 |
Heavy Scientist | 29.3% | 4 to 21 |
 Underwater Lab Ammo Crate | 29.3% | 4 to 21 |
| Scientist RHIB Dry Box | 26.5% | 4 to 14 |
 Cannon Crate | 7.4% | 4 to 21 |
Missile Silo Scientist (underground) | 4.8% | 4 to 21 |
Scientist | 4.8% | 4 to 21 |
|
Military Tunnel Scientist | 2.9% | 4 to 7 |
Tunnel Dweller and Underwater Dweller | 0.76% | 4 to 7 |
|
Junkpile Scientist | 0.71% | 4 to 7 |
 Tool Box | 0.64% | 4 to 7 |
 Sunken Crate | 0.43% | 4 to 7 |
 Santa's Supply Drop, Christmas event only | 29.3% | 4 to 21 |
Chance is for one container opened or one NPC killed. Amount is how many it holds when it holds any.
What the 12 Gauge Incendiary Shell gives back in each recycler
| Recycler | Efficiency | You get |
|---|---|---|
| Red recycler | 75% | 3 + 75% Gun Powder, 1 + 88% Metal Fragments, 7 + 50% Sulfur |
| Green recycler (powered) | 60% | 3 Gun Powder, 1 + 50% Metal Fragments, 6 Sulfur |
| Green recycler | 50% | 2 + 50% Gun Powder, 1 + 25% Metal Fragments, 5 Sulfur |
| Yellow recycler | 40% | 2 Gun Powder, 1 Metal Fragments, 4 Sulfur |
The 12 Gauge Incendiary Shell breaks down into Gun Powder, Metal Fragments and Sulfur.
A recycler takes 7 per cycle, so a full stack of 64 goes through in 10 cycles.
Figures are for one item in perfect condition. Each recycler’s name opens its full table at this item. “3 + 75%” means 3 every time and a 75% chance of one more.
In Rust, 12 Gauge Incendiary Shell is a ammunition in the Ammunition category (item ID #-1036635990, console shortname ammo.shotgun.fire). This ammunition loads into 6 distinct weapon platforms across standard server combat. Inventory storage stacks up to 64 units per slot, and uncollected ground drops despawn after 20 minutes.
Incendiary Shotgun Ammunition.
Crafting 12 Gauge Incendiary Shell in Rust takes 3 seconds at a Workbench Level 2 once the 30 scrap blueprint node is unlocked, with all ballistics, crafting, and durability values read from the Rust game files. Shredding a spare copy at a green recycler recovers base materials at fifty percent yield (vs forty percent at safe-zone yellow units). Equipped and stored units carry no durability wear bar.
The 12 Gauge Incendiary Shell loads into 6 weapons, as do the Handmade Shell, 12 Gauge Buckshot and the 12 Gauge Slug.
When choosing between 12 Gauge Incendiary Shell and related ammunition in Rust, prioritize researching a looted or traded copy at a Research Table (30 scrap) whenever you want to skip the 300-scrap tech tree path and save 270 scrap, or unlock the tech tree branch when your group also needs the prerequisite blueprints.
| Item | Category | Stack Limit | Craft / Source | Tech Tree / Research | Green Recycler Yield |
|---|---|---|---|---|---|
| 12 Gauge Incendiary Shell | Ammunition | 64 per slot | Workbench Level 2 | 30 node / 300 path | Not recyclable |
| Fragmentation Mortar Shell | Ammunition | 10 per slot | Workbench Level 2 | 30 node / 960 path | Not recyclable |
| Mortar Shell | Ammunition | 10 per slot | Workbench Level 2 | 30 node / 960 path | Not recyclable |
| Incendiary 5.56 Rifle Ammo | Ammunition | 128 per slot | Workbench Level 3 | 60 node / 300 path | Not recyclable |
Compare 12 Gauge Incendiary Shell with closely related ammunition sheets in the Rust item catalog:
To compare 12 Gauge Incendiary Shell against every item in its inventory category, browse All 44 items in Ammunition, or plan prerequisite scrap paths on the The Workbench Level 2 tech tree, tile by tile.
The 12 Gauge Incendiary Shell loads into 6 weapons: Double Barrel Shotgun, Eoka Pistol, M4 Shotgun, Pump Shotgun, Spas-12 Shotgun and Waterpipe Shotgun in Rust. It belongs to the Ammunition category under numeric ID -1036635990 across 44 ammunition, stacking to 64 units per slot.
The 12 Gauge Incendiary Shell comes to 40 sulfur per batch of 2 once every ingredient is broken down to raw materials in Rust. It sits in the Ammunition catalog with item ID -1036635990 alongside 43 related ammunition, stacking to 64 units per slot.
The 12 Gauge Incendiary Shell is crafted at a Workbench Level Two from 5 Metal Fragments, 10 Gun Powder and 20 Sulfur, 2 at a time, once the blueprint is learned in Rust. Smelting raw ores and looting required components from monument crates lets players queue the craft at their workbench.
The 12 Gauge Incendiary Shell drops from 12 container and NPC loot tables in Rust, led by Supply Drop (50% chance), Heavy Scientist (29.3% chance), and Underwater Lab Ammo Crate (29.3% chance). It belongs to the Ammunition category under numeric ID -1036635990 across 44 ammunition.
The 12 Gauge Incendiary Shell recycles in Rust at an unpowered green recycler into 2 Gun Powder plus a 50% chance of one more, 1 Metal Fragments plus a 25% chance of one more and 5 Sulfur.
The 12 Gauge Incendiary Shell takes 3 seconds per batch of 2, down to 1.5 seconds at Workbench Level 3 in Rust. It is indexed under the Ammunition category alongside 43 other ammunition in Rust (item ID -1036635990), stacking to 64 units per slot.
Blueprint progression for 12 Gauge Incendiary Shell at Workbench Level 2 in Rust charges 30 scrap on the target node and 300 cumulative scrap along the prerequisite branch, while direct blueprint study at a Research Table charges 30 scrap.
Dropped on the ground in Rust, the 12 Gauge Incendiary Shell despawns after 20 minutes by default. Picking it back up into a player inventory or storing it inside a base container immediately resets that ground despawn timer, which the server scales by item rarity tier.
The 12 Gauge Incendiary Shell has 32-bit signed item ID -1036635990 and shortname ammo.shotgun.fire in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Ammunition category (stack limit 64 units per slot).
Server administrators in Rust spawn the 12 Gauge Incendiary Shell in the F1 developer console with inventory.give ammo.shotgun.fire 64 or inventory.giveid -1036635990 64 for 64 units. Both console spawn commands require administrator or moderator privileges on the server, while regular players can bind a quick-craft shortcut key instead.