12.7mm SMG - Fallout New Vegas
🟠 Updated over a year ago⚠️ 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.
Preview

🔍 Analysis
- 👍 1.0% endorsement rate
- 🏆 #91 of 385 Weapons mods in this game by downloads
📋 About This Mod
New Vegas' . 50 caliber submachine gun comes to The Commonwealth!
🤖 AI-enhanced — based on mod data
This mod brings New Vegas' .50 caliber submachine gun to Fallout 4 as a new weapon. It's a straightforward port for fans of the original who want a heavy-hitting SMG in the Commonwealth. With over 1,000 endorsements and 110k downloads, it's a popular choice.
✨ Key Features
Adds the 12.7mm SMG from Fallout: New Vegas to Fallout 4.
Chambered in .50 caliber, offering high damage per shot.
Includes a custom model and textures based on the original design.
📊 Pros & Cons
✅ Pros
- Over 1,000 endorsements and 110k downloads show it's a well-received mod.
- Brings a classic weapon from New Vegas with a distinct look and feel.
- High-caliber SMG offers a powerful alternative to vanilla automatic weapons.
⚠️ Cons
- No mention of compatibility patches or known conflicts, so may require testing with other weapon mods.
- Last updated in September 2025, but no details on whether it's actively maintained or if issues have been fixed.
- Limited to a single weapon, so not a comprehensive weapon pack.
🎯 Is This For You?
For Fallout 4 players who miss the 12.7mm SMG from New Vegas and want a powerful, iconic automatic weapon. Also for collectors of weapon mods who enjoy adding classic firearms to the Commonwealth. Skip if you prefer lore-friendly or lore-consistent weapons, as this is a direct crossover.
For Fallout 4 players who miss the 12.7mm SMG from New Vegas and want a powerful, iconic automatic weapon. Also for collectors of weapon mods who enjoy adding classic firearms to the Commonwealth. Skip if you prefer lore-friendly or lore-consistent weapons, as this is a direct crossover.
📦 Install:Easy· Under 1 minute
💡 Beginner Tips
- Check the mod's file section for any optional patches or updates.
- If you use other weapon mods, load order may matter to avoid conflicts.
- Test the weapon in a new save or after installing to ensure it appears correctly in the leveled list or crafting menu.
📊 Mod Details
- Game
- Fallout 4 Mods
- Author
- Commonwealth Weaponry
- Version
- 1.0.1
- Downloads
- 110,371
- Endorsements
- 1,069
- Category
- Weapons
- Created
- 9/6/2025
- Updated
- 9/7/2025
🔧 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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