AK400 - Assault Rifle
⚪ Last updated 2020⚠️ Install Order · 5 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 3.6% endorsement rate — high engagement, a strong quality signal
- 🏆 #333 of 367 Weapons mods in this game by downloads
📋 About This Mod
Mod adds a highly customizable AK400, features custom fire/reload sounds, workbench crafting and leveled lists integration
- AK400 Location: Inside Victor's Shack in a corner, close to the bathroom (See images section)
- “ Unforgiven ” Unique Version: In the shack of the Old Nuclear Test Site
- AK400 Attachments Location: Below the AK400
- You can only attach one suppressor through the Pip-Boy, if you attach a 2nd suppressor the weapon will appear like an unmodified weapon
☆ REQUIREMENTS ☆
Asurah Reanimation Pack
The Weapon Mod Menu
☆ IMPORTANT ☆
This mod was made using Asurah Animations, however you can use it with 1st Person Animation Overhaul by Hitman47101
For the users who would like to support FX0x01 (User where i've acquired the files and the permissions) to help him in his projects, i'll let his Patreon:
https://www.patreon.com/FX0x01
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AK400 Model/Textures: aTacticalError || Permissions: aTacticalError and FX0x01
Flashlight, Lasersight Models: F34R
EOTech 552, Aimpoint COMPM2 Models: aTacticalError
CQBSS Scope Models: Parallaxgamestudios
Barska, C-More Models: Odec3D || Cubemaps: Ajhakra
Osprey Suppressor Model: Tigg || PST-1V Suppressor Model: Captiva
Specter DR Scope Model: Krycek & mounker
Aimpoint T-1 Sight Models: Farengar || OKP-7 Model: madmax1539
Sounds: Navaro
Icons: The 3rd Type (PopeClaudiusIV)
Screenshots by Neto, Nickheggo and Piperoffarts
Special thanks to TacticalError, HyperX and Neto
Adds the AK400 Assault Rifle to Fallout 4, ported from a Fallout 4 mod. A well-received weapon mod with 501 endorsements and 14,060 downloads, last updated in 2020. For players seeking a new assault rifle option.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid community backing with 501 endorsements.
- Decent download count (14,060) shows real interest.
- Straightforward weapon addition—no complex mechanics to learn.
⚠️ Cons
- Last updated in 2020—may be outdated for current game versions.
- Ported from another game—could have balance or animation quirks.
For Fallout 4 players who want a new assault rifle without overhauling the game. If you're a weapon collector or just want more variety in your arsenal, this is a simple drop-in. Skip if you need lore-friendly or heavily customized weapons.
💡 Beginner Tips
- Check the mod's file page for any required patches or compatibility notes.
- If you use a mod manager, install via that for easy uninstallation.
- Test the rifle in a new save or after saving to avoid conflicts with other weapon mods.
📊 Mod Details
- Game
- New Vegas Mods
- Author
- x01x010 - FX0x01 - aTacticalError - Navaro
- Version
- 1.0
- Downloads
- 14,060
- Endorsements
- 501
- Category
- Weapons
- Created
- 11/1/2020
- Updated
- 11/1/2020
🔧 How to Install New Vegas Mods
Download from Nexus.
📖 Full step-by-step install guide for New Vegas →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for New Vegas commands, item IDs, and more.
Keep browsing — more New Vegas mods await