DOOM Pack - SCAR (XM8) and Catalyst Redux

⭐ — (38 endorsements) 📥 1,061 downloads 📌 v1.0.0 📅 11/8/2025
🟡 Updated this year

By Hom1elander · Weapons

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 1/19/2026 📅 Created: 11/8/2025
⚠️ 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

  • 👍 3.6% endorsement rate — high engagement, a strong quality signal
  • 🏆 #293 of 329 Weapons mods in this game by downloads

📋 About This Mod

2 classic guns from DOOM (the modder) return redux'd: The SCARAB Assault Rifle and the Catalyst Assault Shotgun.

Modern Attachments, Balancing, and more for classic modded Fallout 4 guns.

Featuring the SCAR-LK Assault Rifle and the Catalyst AAS Shotgun!



The SCARAB Assault Rifle

A pre-war special forces assault rifle, integrating design elements from weapons used in previous black ops and crisis situations.

It was designed to be a lightweight rifle, capable of taking the fight to the Chinese enemy across the Pacific, several units were present in Boston as they were being issued to new Marine Raider units in October 2077.

Attachments (49):

2 Laser Options

3 Barrels

6 Stocks

4 Magazines

5 Muzzles

15 Receivers (Burst Fire and Semi-Auto)

14 Sights

Available in 5. 56mm (Vanilla) or 6. 5mm (Munitions).

Starts spawning around level 27 on Gunners, Brotherhood, Railroad, and Raider Bosses.



The Catalyst Assault Shotgun

A pre-war semi-automatic shotgun for specialized law enforcement units to quell riots and subversive groups.Attachments (36):

2 Laser Options

2 Accessory Options

2 Barrels

4 Stocks

4 Magazines

15 Receivers

7 SightsFound wherever a Combat Shotgun might spawn, and in the hands of Brotherhood soldiers, high ranking Gunners and Raider Bosses. 



Uniques

A SCARAB used during an operation on some remote islands off the coast of the Korean Peninsula can be found in the command center of a marine installation, with a unique paintjob and FOUR UNIQUE ATTACHMENTS (and new anims lol).

Additional Stuff

The SCARAB uses Hitman's SCAR-LK animations, and the Catalyst uses Grab The Damn Mag animations.

Special thanks to Dia for inspiration on mod page layout + divider graphics.

📊 Mod Details

Game
Fallout 4 Mods
Author
Hom1elander
Version
1.0.0
Downloads
1,061
Endorsements
38
Category
Weapons
Created
11/8/2025
Updated
1/19/2026

🔧 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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