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> Use this file to discover all available pages before exploring further.

# How to Add Weapon Packs (M9K, CW2.0, Arc9) in GMod

> Equip your players with custom firepower. Learn how to install and synchronize weapon bases like M9K, TFA, and Arc9 on your GMod server.

## Expanding Your Tactical Arsenal

Weapon modifications represent the core gameplay loop for most Garry's Mod communities, particularly within the **DarkRP**, **MilitaryRP**, and **Sandbox** genres. Selecting the appropriate weapon base is a strategic balance between visual fidelity (animations and attachments) and server-side performance (tickrate and netcode overhead). This guide will help you choose the correct system for your community and ensure your players can use these assets without technical errors.

<CardGroup cols={2}>
  <Card title="Difficulty" icon="gauge-low">
    Beginner
  </Card>

  <Card title="Time" icon="clock">
    5 Minutes
  </Card>
</CardGroup>

***

## Technical Comparison of Weapon Bases

Choose the framework that best aligns with your server's performance goals and gameplay depth.

| Base Name        | Technical Complexity | Performance Impact | Ideal Use Case                         |
| :--------------- | :------------------- | :----------------- | :------------------------------------- |
| **M9K**          | Low                  | **Very Low**       | High-population DarkRP servers.        |
| **TFA**          | Moderate             | Moderate           | Tactical Sandbox and Serious RP.       |
| **CW 2.0**       | High                 | Moderate           | Attachment-heavy competitive gameplay. |
| **ARC9 / ArcCW** | **Extreme**          | High               | Ultra-realistic combat and simulation. |

***

## Installation & Content Synchronization

Simply uploading the weapon scripts is insufficient. If your players do not possess the corresponding models and textures locally, they will observe floating red **"ERROR"** markers instead of weaponry.

### Step 1: Workshop Integration

<Steps>
  <Step title="Initialize the Collection">
    Add your chosen weapon pack and its mandatory **Base Resource** to your server's Steam Workshop Collection.
  </Step>

  <Step title="Define the Manifest">
    Ensure the unique Workshop IDs are registered within your `/lua/autorun/server/workshop.lua` file to force client-side downloads.

    ```lua theme={null}
    resource.AddWorkshop("WORKSHOP_ID_HERE")
    ```
  </Step>
</Steps>

***

## Advanced Deployment Considerations

<AccordionGroup>
  <Accordion title="The 'Multi-Part' Addon Constraint">
    Many premium-quality weapon systems (specifically **Arc9** and **TFA**) are distributed across multiple Workshop entries: the **Base Logic**, the **Texture Repository**, and the **Audio Assets**. You must include every component in your collection. Failure to do so will result in silent weapons or the infamous "purple checkered" texture errors.
  </Accordion>

  <Accordion title="Optimizing Network Performance">
    High-fidelity weapons use complex netcode for synchronized animations. If you notice server "Hitching" during large firefights, consider using a more lightweight base like M9K or reducing the number of simultaneous active weapon resources.
  </Accordion>
</AccordionGroup>

<Tip>
  ### Verification

  After restarting your server, join as a player and attempt to spawn a weapon via the "Q" menu. If the weapon appears correctly and plays audio, your synchronization is successful.
</Tip>

***

<Note>
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</Note>

<Tip>
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</Tip>

***

<div align="center">
  **Last Updated:** January 2026 | **GMod:** Firepower initialized.
</div>