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The Mortar is a siege engine that fires Fragmentation Mortar Shells and Mortar Shells, with 1,000 health once built.
What one batch takes.
The same recipe expanded until every line is something you gather, smelt or loot.
Scrap
High Quality Metal
High Quality Metal
Metal Pipe
Copy it, then hold Shift and click Paste (JSON) in the conveyor, in game.
[
{
"TargetCategory": null,
"MaxAmountInOutput": 15,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "metal.refined"
},
{
"TargetCategory": null,
"MaxAmountInOutput": 1,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "metalpipe"
}
]
Workbench Level 2, 25s, yields 1
Faster at a higher workbench: 12.5s at Workbench Level 3.
Researching the blueprint costs 60 scrap at a Research Table.
A repair bench charges 20% of the recipe to fix a broken item, less when it is only worn. A component in the recipe is charged as the first ingredient of its own recipe instead, or not at all when it has no recipe.
Each swing charges the share of the cost for 50 health, rounded up to whole resources, and restores as much health as it paid for, which can be more than 50. Nothing can be repaired for 30 seconds after it takes damage.
What the Mortar gives back in each recycler
| Recycler | Efficiency | You get |
|---|---|---|
| Red recycler | 75% | 11 + 25% High Quality Metal, 75% Metal Pipe |
| Green recycler (powered) | 60% | 9 High Quality Metal, 60% Metal Pipe |
| Green recycler | 50% | 7 + 50% High Quality Metal, 50% Metal Pipe |
| Yellow recycler | 40% | 6 High Quality Metal, 40% Metal Pipe |
The Mortar breaks down into High Quality Metal and Metal Pipe.
A recycler takes one at a time.
Figures are for one item in perfect condition. Each recycler’s name opens its full table at this item. “11 + 25%” means 11 every time and a 25% chance of one more, and a percentage alone is the chance of getting one.
In Rust, Mortar is a siege engine in the Construction category (item ID #1459828804, console shortname mortar.deployable). In active play, it follows standard server rules for siege engine gear across procedural maps. Inventory storage holds a single unit per slot, and uncollected ground drops despawn after 40 minutes.
The Mortar fires in an arcing trajectory and favors volume over precision. Pairs well with binoculars.
Crafting Mortar in Rust takes 25 seconds at a Workbench Level 2 once the 60 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). Damaged copies repair at a Repair Bench for a fraction of recipe cost.
The Mortar is one of the 6 siege engines; Rust classifies it under the Construction inventory category.
When choosing between Mortar and related construction in Rust, prioritize researching a looted or traded copy at a Research Table (60 scrap) whenever you want to skip the 930-scrap tech tree path and save 870 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 |
|---|---|---|---|---|---|
| Mortar | Construction | 1 per slot | Workbench Level 2 | 60 node / 930 path | Not recyclable |
| Mounted Ballista | Weapons | 1 per slot | Workbench Level 2 | 30 node / 600 path | Not recyclable |
| Ballista | Weapons | 1 per slot | Workbench Level 2 | 30 node / 570 path | Not recyclable |
| Battering Ram | Weapons | 1 per slot | Workbench Level 2 | 30 node / 540 path | Not recyclable |
Compare Mortar with closely related siege engine sheets in the Rust item catalog:
To compare Mortar against every item in its inventory category, browse All 61 items in Construction, or plan prerequisite scrap paths on the The Workbench Level 2 tech tree, tile by tile.
The Mortar is crafted at a Workbench Level 2 from 15 High Quality Metal and 1 Metal Pipe, once the blueprint is learned in Rust. Players smelt raw ores in a furnace and gather required components from monument crates before queuing the craft at their workbench.
The Mortar has 1,000 health once placed in Rust. It sits in the Construction catalog with item ID 1459828804 alongside 60 related construction, while F1 console command inventory.giveid 1459828804 1 spawns 1 unit for testing across 61 published Construction entries (56 with crafting blueprints).
The Mortar recycles in Rust at an unpowered green recycler into 7 High Quality Metal plus a 50% chance of one more and a 50% chance of a Metal Pipe. Undamaged copies return the full listed yield, whereas worn items scale their recycler output down in proportion to remaining durability.
The Mortar takes 25 seconds to craft, down to 12.5 seconds at Workbench Level 3 in Rust. It belongs to the Construction category under numeric ID 1459828804 across 61 construction and despawns after 40 minutes when dropped, with F1 console command inventory.giveid 1459828804 1.
A repair bench fixes the Mortar from broken for 4 High Quality Metal, and a hammer takes it from broken to full in ten swings for 11 High Quality Metal in Rust. Bench repairs require no blueprint and reduce maximum condition by 20% across a full durability bar.
Blueprint progression for Mortar at Workbench Level 2 in Rust charges 60 scrap on the target node and 930 cumulative scrap along the prerequisite branch, while direct blueprint study at a Research Table charges 60 scrap. It belongs to the Construction category under numeric ID 1459828804 across 61 construction.
Dropped on the ground in Rust, the Mortar despawns after 40 minutes by default. Moving it into a storage box, locker, or player inventory immediately cancels the ground despawn countdown, which the server assigns by item rarity tier to prevent dropped loot from lagging active worlds.
The Mortar has 32-bit signed item ID 1459828804 and shortname mortar.deployable in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Construction category (stack limit 1 unit per slot).
Server administrators in Rust spawn the Mortar in the F1 developer console by typing inventory.give mortar.deployable 1 or inventory.giveid 1459828804 1 for a single unit. Both console spawn commands require administrator or moderator privileges on the server, while regular players can bind a quick-craft shortcut key instead.
Fragmentation Mortar Shell
Mortar Shell