Modern Weapon Replacer - Sig Sauer MPX

⭐ ⭐ (561 endorsements) 📥 16,973 downloads 📌 v2.1 📅 9/30/2018
🟡 Updated this year

By cyanide4suicide · Weapons

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 1/13/2026 📅 Created: 9/30/2018
⚠️ Install Order · 3 steps
1🛠️ F4SE — Fallout 4 Script Extender Download ↗
2🔧 UFO4P — Unofficial Fallout 4 Patch Download ↗
3📦 ehtyeci's Sig Sauer MPX weapon mod Find it →

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 3.3% endorsement rate — high engagement, a strong quality signal
  • 🏆 #198 of 329 Weapons mods in this game by downloads

📋 About This Mod

About
This mod replaces vanilla combat rifles, pipe guns and/or submachine guns with ehtyeci's Sig Sauer MPX weapon mod.

Replaced weapons will spawn with the following modifications:

  • []All replaced weapons will be named "MPX" in-game and follow instance naming conventions

    []Replaced Combat Rifles will spawn in the Carbine form factor

    []Replaced Combat Rifles will spawn with a random Carbine form factor barrel

    []Replaced Pipe Guns will spawn in the Compact form factor

    []Replaced Pipe Guns will spawn with a random Compact form factor barrel

    []Replaced Submachine Guns will spawn in the Standard form factor

    []Replaced Submachine Guns will spawn with a random Standard form factor barrel

    []All replaced weapons will spawn with either a random low-tier receiver (Standard, Hardened, or Heavy Frame Receivers)

    []Replaced weapons will spawn with a random stock

    []Replaced weapons will spawn with a random Magazine

    []Replaced weapons will spawn with a random scope/sight

    []Replaced Weapons will spawn with a random muzzle

    []Replaced weapons will spawn with a random foregrip

    []Replaced weapons will spawn with a random sound mod (Type A or Type B)

    []All replaced weapons will spawn with the 2287th Hand paintjob

    []Replaced Combat Rifles will spawn with the . 45 Caliber Conversion Kit and be chambered in . 45

    []Replaced Pipe Guns will spawn with the . 38 Calber Conversion Kit and be chambered in . 38

    []Replaced Submachine guns will spawn with the . 45 Caliber Conversion Kit and be chambered in . 45

    Optional plugins are included that completely override Super Mutant leveled lists and gives them either melee weapons, miniguns, or missile launchers. Place the Super Mutant Leveled List Override esp very low in your load order to allow it to win any leveled list conflicts

    Compatibility

    Plugins are available that are compatible with Tactical Reload Framework by Bwones and the Sig Sauer MPX ESP version Tactical Reload patch from Tactical Reload Repository - Diacute'd by Diakyuto

    Installation
    1. Download and install: Sig Sauer MPX v001e2 ESP version by ehtyeci - https://www.nexusmods.com/fallout4/mods/34628

    2. Make sure the esp for that mod is activated and all the assets from it are in your Fallout 4 data folder

    3. Install this mod. Select the replacers you want.

    Troubleshooting
    1. Place the replacer esp(s) lower or last in your load order. It's possible you have another mod activated that is overwriting the replacer data or your mod manager is auto sorting the esp's in a poor configuration

    2. If an NPC/Companion weapon is broken, you can ind

🤖 AI-enhanced — based on mod data

This mod replaces several vanilla weapons with ehtyeci's Sig Sauer MPX weapon mod, offering a modern tactical look. With 561 endorsements and frequent updates, it's a popular choice for players wanting to swap out standard firearms for a sleek SMG appearance.

✨ Key Features

Replaces a variety of vanilla weapons with the Sig Sauer MPX model
Uses ehtyeci's Sig Sauer MPX weapon mod as the replacement asset
Active development with a recent update in January 2026

📊 Pros & Cons

✅ Pros

  • Community-approved with 561 endorsements and nearly 17k downloads
  • Gives vanilla weapons a modern tactical makeover without adding new items
  • Recently updated, so it's likely compatible with current game versions

⚠️ Cons

  • Description doesn't specify which weapons are replaced—you'll have to test in-game
  • Requires the original Sig Sauer MPX mod as a dependency, which isn't linked here
  • Purely cosmetic; no gameplay changes or new mechanics
🎯 Is This For You?
For Fallout 4 players who want a modern SMG look without cluttering their inventory with new weapons. If you're tired of the vanilla pipe guns and want a sleek tactical replacement, this is for you. Skip if you're looking for gameplay-altering weapon mods.
📦 Install:Medium· 5-10 minutes

💡 Beginner Tips

  • Make sure you have the original Sig Sauer MPX mod installed first, or the replacement won't work.
  • Use a mod manager like Vortex to handle load order—place this mod after the original MPX mod.
  • Check the mod's posts section for a list of which vanilla weapons are replaced, since the description doesn't say.

📊 Mod Details

Game
Fallout 4 Mods
Author
cyanide4suicide
Version
2.1
Downloads
16,973
Endorsements
561
Category
Weapons
Created
9/30/2018
Updated
1/13/2026

🔧 How to Install Fallout 4 Mods

Download from Nexus.

📖 Full step-by-step install guide for Fallout 4 →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Fallout 4 commands, item IDs, and more.

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