CALIBER - COMPLEX

⭐ ⭐⭐ (2,783 endorsements) 📥 128,672 downloads 📌 v3.0 📅 2/15/2021
⚪ Last updated 2021

By ROBBYTHEKIDD · Ammo

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 4/3/2021 📅 Created: 2/15/2021
⚠️ Install Order · 2 steps
1🛠️ F4SE — Fallout 4 Script Extender Download ↗
2🔧 UFO4P — Unofficial Fallout 4 Patch Download ↗

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

🔍 Analysis

  • 👍 2.2% endorsement rate — high engagement, a strong quality signal
  • 🏆 #2 of 20 Ammo mods in this game by downloads

📋 About This Mod

INTRODUCTION

If you are at all like me then you are a huge nerd when it comes to firearms. One of the main reasons I play Fallout 4 is for the massive variety of quality built weapon mods you can play with. It always bothered me to see a classic AK-74M be chambered in the incorrect 5. 56x45mm NATO instead of the funky and interesting 5. 45x39mm. So many wonderful weapon mods and they all use the same boring old ammo. CALIBER - COMPLEX was built to solve this problem.

SO WHAT IS CALIBER - COMPLEX?

CALIBER - COMPLEX is a framework of over 100+ new calibers including everything from the ubiquitous 9x19mm Parabellum to the ultra obscure . 30-378 Weatherby Magnum. In short, this mod adds all these new calibers to the levelled lists in a balanced and easy to manipulate way. Through the power of FO4Edit you can customize this mod to anything you want.

Don't like a certain ammo type I included?

Looking for an ammo type I didn't include in this mod?

Create it by changing one of the include calibers.

This framework is meant to be easy to use and customize out of the box. I organized everything you need in a way that optimizes workflow and makes it faster to work within FO4Edit. To be clear, this mod will not automatically change the ammo types of weapon mods you use, a patch will have to be made for them to be changed. Using FO4Edit to do these changes yourself is very very easy and rewarding. I particularly enjoy changing damage multipliers into caliber conversions. This makes the game much more balanced and realistic. With real guns the only way to do more damage is to get fancier with your ammo. Generally

I only included calibers that are usable with mods that exist right now. If they be on the Nexus, Discord servers, or weird Russian mod sites. Remember, if these calibers don't fit in your particular playthrough then change them.

If you would like to craft the new ammo types in game than check out this great mod below!

CALIBER - COMPLEX AMMO CRAFTING

One more word of warning: CALIBER - COMPLEX does NOT use scripts to inject the new calibers into the leveled lists. CALIBER - COMPLEX uses direct edits to the respective leveled lists. So if you want this mod to work perfectly then you will most likely need to create a merged patch. Creating a merged patch is very easy in FO4Edit and there are many tutorials on how to do it. See the Below video on how to use this mod to its full potential.

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CALIBER - COMPLEX VIII IS HERE!

So what's new?

32 new calibers have been added, check them out below!

A complete overhaul of the leveled list integration!

Overhaul of existing calibers to mesh better in the world and fit better in available we

🤖 AI-enhanced — based on mod data

CALIBER - COMPLEX is a framework that corrects ammo types for weapons across your load order, catering to firearm enthusiasts who want realistic caliber usage. With 2,783 endorsements and 128,672 downloads, it's a popular utility for modded load orders, last updated in April 2021.

✨ Key Features

Framework for all weapons in your load order, ensuring correct ammo types
Covers everything from various weapon mods, including a wide range of firearms
Popular with 2,783 endorsements and 128,672 downloads

📊 Pros & Cons

✅ Pros

  • Huge community trust with 2,783 endorsements and over 128k downloads
  • Solves a real pet peeve for gun nerds—wrong ammo types in weapon mods
  • Framework approach means it works across your whole load order, not just one mod

⚠️ Cons

  • Last updated in April 2021—might be outdated for newer weapon mods
  • Requires you to have weapon mods installed to be useful—not for vanilla players
🎯 Is This For You?
For Fallout 4 players who are firearms purists and can't stand when a modded gun uses the wrong caliber. If you have a heavily modded load order with lots of weapon mods, this framework is a must-have. Skip if you play with vanilla weapons or don't care about ammo realism.
📦 Install:Easy· Under 1 minute

💡 Beginner Tips

  • Make sure you have weapon mods installed that use custom ammo—this mod won't do anything on its own.
  • Load order matters: place CALIBER - COMPLEX after your weapon mods so it can override their ammo settings.
  • Check the mod's forum posts for compatibility patches if you're using popular weapon packs like Modern Firearms.

📊 Mod Details

Game
Fallout 4 Mods
Author
ROBBYTHEKIDD
Version
3.0
Downloads
128,672
Endorsements
2,783
Category
Ammo
Created
2/15/2021
Updated
4/3/2021

🔧 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.

Keep browsing — more Fallout 4 mods await

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