Stack-On PS-520-12
Stack-On PS-520-12 Gun Safe Instruction Manual
Model: PS-520-12
Introduction
This manual provides essential instructions for the safe and proper installation, operation, and maintenance of your Stack-On PS-520-12 Gun Safe. Please read this manual thoroughly before using the product and retain it for future reference. This gun safe is designed for secure storage of firearms and other valuables, featuring a 3-point key locking system and adjustable interior configurations.
Safety Information
- Always store firearms unloaded and locked.
- Keep keys in a secure location, inaccessible to unauthorized individuals, especially children.
- Ensure the safe is securely mounted to prevent tipping or unauthorized removal.
- Do not store flammable materials or explosives inside the safe.
- Regularly inspect the safe for any signs of damage or tampering.
Product Overview

Figure 1: Stack-On PS-520-12 Gun Safe. This image displays the exterior of the safe, highlighting its robust construction and key lock mechanism.
The Stack-On PS-520-12 is a robust gun safe constructed from alloy steel, designed for secure storage. It features a 3-point key locking system and an interior that can be configured with adjustable barrel rests for tactical weapons or converted to shelving for other items like ammunition or pistols. The safe is fireproof and can be used freestanding or tabletop mounted.
Setup Instructions
1. Unpacking
- Carefully remove the safe from its packaging. Retain all packaging materials until you are satisfied with the product.
- Inspect the safe for any signs of shipping damage. Contact customer support immediately if damage is found.
- Locate the keys provided with the safe. These are typically secured to the safe or within a small bag inside the packaging.
2. Placement and Mounting
The PS-520-12 safe can be used as a freestanding unit or mounted to a surface for added security.
- Freestanding: Place the safe on a level, stable surface. Ensure it is not easily accessible for tipping.
- Tabletop Mounting: For enhanced security, the safe can be bolted to a tabletop or other sturdy surface.
- Mark the desired mounting points on the surface using the pre-drilled holes on the safe's base.
- Drill pilot holes into the surface.
- Secure the safe using appropriate hardware (not included) through the pre-drilled holes.
Operating Instructions
1. Opening the Safe
- Insert the key into the keyhole on the front of the safe.
- Turn the key clockwise to unlock the 3-point locking mechanism.
- Pull the door open.
2. Closing and Locking the Safe
- Ensure all items are properly placed inside and clear of the door frame.
- Close the door firmly.
- Insert the key and turn it counter-clockwise to engage the 3-point locking mechanism.
- Remove the key and store it in a secure, hidden location.
3. Interior Configuration
The safe's interior is designed for versatility.
- Adjustable Barrel Rests: The included barrel rests can be adjusted to accommodate various tactical weapons. Position them to securely hold your firearms.
- Shelving Conversion: Areas within the safe can be converted to shelving for storing ammunition, pistols, or other valuables. Refer to the internal diagrams (if available, otherwise general instruction) for proper shelf installation.
Maintenance
- Cleaning: Wipe the exterior of the safe with a soft, damp cloth. Avoid abrasive cleaners that may damage the finish.
- Lock Mechanism: The key lock mechanism is designed for long-term reliability. Do not lubricate the keyhole unless specifically instructed by Stack-On customer support.
- Key Care: Keep keys clean and dry. Avoid bending or forcing keys into the lock.
Troubleshooting
1. Key Does Not Turn
- Ensure the key is fully inserted and oriented correctly.
- Check for any obstructions in the keyhole.
- If the key is bent or damaged, do not force it. Contact customer support for a replacement.
2. Door Does Not Close Properly
- Verify that no items inside the safe are obstructing the door's closure.
- Check the door hinges for any damage or misalignment.
3. Safe Appears Damaged
- If the safe has sustained significant impact or damage, its security features may be compromised. Do not use the safe and contact Stack-On customer support immediately.
Specifications
| Feature | Detail |
|---|---|
| Brand | Stack-On |
| Model Number | PS-520-12 |
| Lock Type | Key |
| Material | Alloy Steel |
| Special Features | Fireproof |
| Mounting Type | Freestanding, Tabletop |
| Included Components | Keys |
| Item Weight | 20.41 kg |
| Water Resistance Level | Not Water Resistant |
| Chamber Depth | 12 Inches |
| UPC / GTIN | 085529055205 |
Warranty and Support
Specific warranty information for the Stack-On PS-520-12 Gun Safe is not provided in this manual. Please refer to the warranty card included with your purchase or visit the official Stack-On website for detailed warranty terms and conditions.
For technical support, replacement parts, or further assistance, please contact Stack-On customer service through their official website or the contact information provided with your product documentation.
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