1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your RealTruck BAK Revolver X4s Hard Rolling Truck Bed Tonneau Cover. The Revolver X4s is a premium hard rolling cover designed for durability and security, featuring a matte-black finish and robust construction.
Key Features:
- Matte-Black Finish: Premium aluminum slats wrapped in industrial-grade vinyl for a sleek appearance.
- Enhanced Security: Patented rotational locking system secures the cover along the entire bed length.
- One-Hand Operation: Easily rolls open and closed with a single hand.
- Full Bed Access: Rolls tightly against the cab, providing complete access to the truck bed without obstructing rear visibility.
- Durable Construction: Heavy-duty slats and newly designed side seals for long-lasting performance.

Image 1.1: The Revolver X4s Tonneau Cover in its closed position on a truck bed.
2. Safety Information
- Always ensure the tonneau cover is properly secured before driving.
- Do not operate the cover while the vehicle is in motion.
- Keep hands and fingers clear of moving parts during operation to prevent injury.
- Do not place heavy objects on the cover when it is closed.
- Verify that all cargo is properly secured within the truck bed, even with the cover closed.
- Exercise caution when rolling the cover, especially in windy conditions.
3. Package Contents
Upon unpacking, please verify that all components are present:
- BAK Revolver X4s Tonneau Cover Assembly
- Hardware Kit (Clamps, Bolts, Seals, etc.)
- Installation Guide
If any items are missing or damaged, please contact RealTruck customer support immediately.
4. Compatibility
This RealTruck BAK Revolver X4s Tonneau Cover (Model 80339) is specifically designed to fit:
- Vehicle: 2021-2025 Ford F-150 (including Raptor and Lightning models)
- Bed Size: 5' 7" Bed (67.1 inches)
Ensure your truck bed length matches the specified dimensions for proper fitment and function.

Image 4.1: Truck bed measurement guide for Ford F-150, highlighting compatibility with 5' 7" beds.
5. Setup and Installation
The Revolver X4s is designed for straightforward installation. Refer to the detailed installation guide included in your package for step-by-step instructions. A general overview of the process includes:
- Preparation: Clean the truck bed rails thoroughly.
- Rail Installation: Mount the side rails onto the truck bed using the provided clamps. Ensure they are level and properly aligned.
- Cover Placement: Position the tonneau cover assembly onto the installed rails at the bulkhead.
- Securing the Cover: Fasten the cover to the rails according to the instructions, ensuring a snug fit.
- Final Adjustments: Make any necessary adjustments to ensure the cover operates smoothly and seals correctly.
For optimal performance and to prevent water intrusion, pay close attention to the sealing areas during installation.
6. Operating Instructions
Opening the Cover:
- Unlock: If your tailgate is locked, unlock it. The cover's patented rotational locking system is designed to secure the cover when the tailgate is closed and locked.
- Release: Pull down on the tailgate cable (or release mechanism) to disengage the rear latches.
- Roll Up: Gently roll the cover forward towards the cab of the truck. The cover is designed for one-hand operation.
- Secure: Once fully rolled, secure the cover tightly against the cab using the integrated strap and buckle system. This ensures full bed access and prevents obstruction of your rearview mirror or third brake light.

Image 6.1: Demonstrating the one-hand operation to roll up the tonneau cover.

Image 6.2: The cover in both closed and fully rolled-up positions.
Closing the Cover:
- Unstrap: Release the strap and buckle system securing the rolled cover.
- Roll Down: Gently unroll the cover towards the tailgate. Ensure the cover tracks smoothly along the side rails.
- Engage Latches: As the cover reaches the tailgate, the patented rotational locking system will automatically engage, securing the cover along the entire length of the bed.
- Verify: Ensure the cover is fully closed and latched on both sides. Close and lock your tailgate for maximum security.

Image 6.3: The process of closing and securing the tonneau cover.
7. Maintenance
Regular maintenance will ensure the longevity and optimal performance of your Revolver X4s Tonneau Cover.
- Cleaning: Wash the cover regularly with mild soap and water. Avoid harsh chemicals or abrasive cleaners that could damage the vinyl or matte finish.
- Vinyl Care: Periodically apply a UV protectant specifically designed for vinyl to prevent fading and cracking.
- Rail Lubrication: Keep the side rails clean and free of debris. Lightly lubricate the rolling mechanism with a silicone-based spray if operation becomes stiff.
- Seal Inspection: Regularly inspect the seals around the perimeter of the cover for any signs of wear or damage. Replace damaged seals to maintain water resistance.
- Hardware Check: Periodically check all clamps, bolts, and fasteners to ensure they are tight and secure.
8. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Cover does not roll smoothly. | Debris in rails, dry rails, misaligned rails. | Clean rails, apply silicone lubricant, check rail alignment. |
| Water leakage into bed. | Damaged or improperly seated seals, incorrect rail alignment. | Inspect and adjust seals, verify rail alignment, ensure tailgate is sealed. |
| Cover does not latch securely. | Obstruction, misaligned latches, tailgate not fully closed. | Clear obstructions, adjust latch mechanism, ensure tailgate is closed and locked. |
| Cover appears loose. | Mounting clamps are loose. | Tighten all mounting clamps securely. |
If you encounter issues not listed here or require further assistance, please contact RealTruck customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | RealTruck |
| Model | Revolver X4s |
| Item Model Number | 80339 |
| Material | Vinyl, Aluminum |
| Exterior Finish | Painted (Matte Black) |
| Lock Type | Tailgate (Rotational Locking System) |
| Product Dimensions | 86 x 12 x 12 inches |
| Item Weight | 1 pounds (Note: This weight may refer to packaging or a component, not the full cover. Refer to product packaging for actual weight.) |
| UPC | 192631033165 |
| Automotive Fit Type | Vehicle Specific Fit |
10. Warranty and Support
Warranty Information:
The RealTruck BAK Revolver X4s Hard Rolling Truck Bed Tonneau Cover is backed by a 5-year warranty from BAK. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Customer Support:
For technical assistance, warranty claims, or to order replacement parts, please contact RealTruck customer support. Refer to the contact information provided in your product packaging or visit the official RealTruck website.
Online Resources: www.realtruck.com







