Underbarrel grenade launcher
⚪ Last updated 2022⚠️ 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
- 👍 3.3% endorsement rate — high engagement, a strong quality signal
- 🏆 #268 of 372 Weapons mods in this game by downloads
📋 About This Mod
Introduction
I always wanted to have actually working, animated underbarrel grenade launcher, so here it is. Enjoy.
Video showcase
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How to obtain and how to use?
Buy "underbarrel grenade launcher" modification at Gun Runners. To switch to it HOLD your "activate" key (E by default)
Overview
3. Reload full
4. Reload partial
5. Launcher in
6. Launcher attack
7. Launcher reload
8. Launcher out
Requirements
xNVSE ver. 6. 2. 4 or newerkNVSE ver. 20 or newer
Recommended mods
Credits and thanks
ZRV01 for scripting
Sigma for model pats
Quicksilver for model tweaks and nifbashing
Kormakur for kNVSE
Johnson for his rigs
Hitman for sounds
and all beautiful people from NH arms and FNV anim servers, i love you all.
Adds a functional underbarrel grenade launcher with custom animations for the marksman carbine, now also compatible with the All-American. A niche weapon mod with 226 endorsements and 6,793 downloads, last updated in June 2022.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Functional grenade launcher adds serious firepower to your carbine.
- Custom animations make it feel polished, not a lazy reskin.
- Community-tested with 226 endorsements and nearly 7k downloads.
⚠️ Cons
- Last updated in 2022 — might not play nice with the latest game patches.
- Only works with two specific weapons, so it's pretty niche.
For Fallout: New Vegas players who want to turn their marksman carbine into a mini grenade launcher. If you're a fan of the All-American and want extra punch, this is for you. Skip if you're looking for broad weapon overhauls or don't use these rifles.
💡 Beginner Tips
- Make sure you have the marksman carbine or All-American in your inventory before testing.
- Since it's a weapon mod, check your load order — place it after any mods that alter those weapons.
- If you're using a mod manager, enable it and test in a save where you have the weapon.
📊 Mod Details
- Game
- New Vegas Mods
- Author
- Sigerious - ZRV01
- Version
- 1.0
- Downloads
- 6,793
- Endorsements
- 226
- Category
- Weapons
- Created
- 6/14/2022
- Updated
- 6/18/2022
🔧 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.
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