Firebomb
A crude firebomb made of fuel-filled jugs wrapped in a net. Can be placed or used as a projectile in a catapult.
The Firebomb is ammunition in Rust. You craft it at a Level 2 Workbench, and its blueprint costs 40 scrap to research.
About the Firebomb
A full stack of 4 takes 4 crafts and 40 seconds: 600 × Gun Powder, 200 × Low Grade Fuel and 8 × Rope.
On the tech tree it sits behind 14 other unlocks: Scattershot, Catapult, Ballista, Battering Ram, Python Revolver, F1 Grenade and 8 more.
Firebomb damage and stats
How to craft the Firebomb
Crafting one takes 10 seconds at a Level 2 Workbench and costs 150 × Gun Powder, 50 × Low Grade Fuel and 2 × Rope.
150
50
2 How to get the Firebomb blueprint
Research it for 40 scrap, or unlock it on the Level 2 tech tree for 15 Blueprint Pages in total.
1 Item
40 Scrap
Blueprint
40
Node
1 Blueprint Page
Unlocked
15 Reduction is how much of that damage type never lands. Damage taken is the rest: at 50% reduction a hit for 100 does 50. A negative reduction means the hit lands harder than it would bare.
What the Firebomb recycles into
A green recycler always gives back 75 × Gun Powder, 25 × Low Grade Fuel and 1 × Rope for one.
×75
×25
×1
×90
×30
×1
20%
×112
×37
×1
50%
50%
50%
×60
×20
80%
40mm HE Grenade ×180——
Beancan Grenade ×172.515%
120
180
20
Explosive 5.56 Rifle Ammo ×147.5—
25
30
5
High Velocity Rocket ×1120—
200
300
20
2
Homing Missile ×125—
100
150
20
2
1
Rocket ×1450—
1,400
1,950
100
40
4
30
Satchel Charge ×1312.520%
480
720
80
10
1
Survey Charge ×118—
60
90
10
20
5
Timed Explosive Charge ×1825—
2,200
3,000
200
2
60
5 From full health (10 HP), each one placed on it: damage per hit is after its protection. Duds are throws that fizzle and need another throw, not counted in Needed. Costs are for the whole count, crafted from raw materials.
Stats checked against the Rust game files on 12 November 2026.