20mm Carbine
⚪ Last updated 2012⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 5.0% endorsement rate — high engagement, a strong quality signal
- 🏆 #111 of 313 Weapons mods in this game by downloads
📋 About This Mod
Adds a 20mm Carbine in front of Vault 101. Or you can buy the gun and ammo at Craterside Supply or Flak n Shrapnel\'s. Name: 20mm Carbine Skill: Small Guns Damage: 200 (explosion) Damage Radius: 250 (about 4 feet) DPS: 390 Clip Rounds: 11 Weight: 25 Health: 350 Value: 15,000 Fire Rate: 3 Crit Chance: x2 Crit Damage: 70 Crit Effect: Victory Rifle Knockdown Spell Name: 20mm Carbine Extended Barrel (Increased projectile speed and range) Required Strength: 10 Damage: 260 (explosion) DPS: 340 Weight: 35 Fire Rate: 2 Ammo: 20mm High Explosives If you really like the mod, please endorse the file. Credits: Sounds by wileecoyote1969
Adds a 20mm Carbine to Fallout 3, available via a crate in front of Vault 101 or purchased from Craterside Supply and Flak n Shrapnel's. A straightforward weapon mod with 788 endorsements and 15,792 downloads, last updated in 2012.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-approved with 788 endorsements and over 15k downloads.
- Simple to get the weapon—either find the crate or buy it from two vendors.
- Adds a unique high-caliber carbine for players wanting more firepower.
⚠️ Cons
- Last updated in 2012—may have compatibility issues with modern mod setups.
- Only adds one weapon, so it's a small addition for those seeking variety.
For Fallout 3 players who want a new heavy-hitting carbine without complex quests. If you're a collector of unique weapons or just want a powerful gun early on, this is a quick grab. Skip if you're looking for a full weapon pack or gameplay overhaul.
💡 Beginner Tips
- Check the crate in front of Vault 101 right after leaving the vault for an early-game boost.
- If you miss the crate, head to Craterside Supply in Megaton or Flak n Shrapnel's in Rivet City to buy the gun and ammo.
- Since the mod is from 2012, ensure your load order is clean and test for conflicts with other weapon mods.
📊 Mod Details
- Game
- Fallout 3 Mods
- Author
- BrotherShogo
- Version
- 1.0
- Downloads
- 15,792
- Endorsements
- 788
- Category
- Weapons
- Created
- 12/29/2011
- Updated
- 1/18/2012
🔧 How to Install Fallout 3 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 3 →
Visit the official mod page for specific installation instructions for this mod.
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