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Gameplay articles
Fallout 3Mini nuke
Fallout: New VegasMini nuke
Fallout 4Mini nuke
Fallout 76Mini nuke
Fallout: BoSMini nuke grenade
This is an overview article, listing content appearing across multiple games.

Mini nuke expanded

The mini nuke is an ammunition type found in Fallout 3, Fallout: New Vegas, Fallout 4 and Fallout 76. The mini nuke grenade is found in Fallout: Brotherhood of Steel.


Developed at Fort Strong as part of the M42 Fat Man project, the mini nuke project took over a year. Despite setbacks during development, the project was completed in September 2077.[1][2] The M42s were subsequently shipped to soldiers fighting overseas.[1][3][4][5]


Mini nuke

Mini nuke.png

Gameplay articles: Fallout 3, Fallout: New Vegas

Found in both the Capital and Mojave Wastelands as well as surrounding areas.

Mini nuke

Fo4 mini nuke.png

Gameplay articles: Fallout 4, Fallout 76

A mini nuke consists of four principal components. The detonator shell, four stabilizer fins, a hemisphere core, and beryllium cap.[5] Striking the mini nuke or using other explosives around it will not result in its detonation, as it can only be utilized by firing from a Fat Man.

Mini nuke grenade

FOBoSLogo.pngThe following is based on Fallout: Brotherhood of Steel and is not canon.


The mini-nuke grenade is a mini nuke packed into a hand-held explosive device.

FOBoSLogo.pngEnd of information based on Fallout: Brotherhood of Steel.