1. Introduction
This manual provides essential information for the safe and effective use of your SureFire M640 V-Pro Vampire Scout Light Pro. This versatile illumination tool is designed to provide both powerful white light and infrared (IR) illumination for various applications, including enhancing night vision device performance. Please read this manual thoroughly before operating the device.
2. Product Features
- Dual-Spectrum Illumination: Provides 350 lumens of white light and 120 milliwatts of infrared (IR) output.
- TIR Lens: Equipped with a Total Internal Reflection (TIR) lens for a focused beam with ample peripheral illumination.
- Low-Profile Mount (LPM): Features a versatile mount compatible with MIL-STD-1913 Picatinny and Hunting Firearm rails.
- Durable Construction: Built with Mil-Spec hard anodized aluminum and O-Ring sealed for resilience in harsh conditions.
- Easy Mode Switching: Simple twist of the bezel to switch between white light, IR, and off modes.
3. Setup and Installation
3.1 Package Contents
- SureFire M640 V-Pro Vampire Scout Light Pro
- Batteries
- Sticker
- Instruction Manual (this document)
3.2 Battery Installation
- Unscrew the tail cap of the Scout Light Pro.
- Insert the provided batteries according to the polarity indicators inside the battery compartment.
- Securely screw the tail cap back on until hand-tight.
3.3 Mounting the Scout Light Pro
The M640 V-Pro Vampire Scout Light Pro features a Low-Profile Mount (LPM) designed for secure attachment to MIL-STD-1913 Picatinny and Hunting Firearm rails. The mount allows for flexible positioning to optimize ergonomics and clearance.
Image: The SureFire M640 V-Pro Vampire Scout Light Pro, shown in tan, featuring its integrated low-profile mount. The bezel indicates 'OFF' and 'IR' settings, and the SureFire logo is visible on the body.
- Identify a suitable section on your MIL-STD-1913 Picatinny or Hunting Firearm rail for mounting.
- Loosen the mounting screw on the LPM.
- Position the Scout Light Pro onto the rail, ensuring the mounting lugs engage with the rail slots.
- Tighten the mounting screw firmly to secure the light in place. Do not overtighten.
4. Operating Instructions
The M640 V-Pro Vampire Scout Light Pro offers three primary modes: Off, White Light, and Infrared (IR) Light. These modes are selected by rotating the bezel.
4.1 Switching Modes
- To activate the White Light mode (350 lumens), rotate the bezel clockwise from the 'OFF' position until it clicks into place.
- To activate the Infrared (IR) Light mode (120 mW), continue rotating the bezel clockwise past the white light position until it clicks into the 'IR' position. This mode is designed for use with night vision devices and is not visible to the naked eye.
- To turn the device Off, rotate the bezel counter-clockwise until it clicks into the 'OFF' position.
Ensure the bezel is fully engaged in the desired mode to prevent accidental activation or mode switching during use.
5. Maintenance
The SureFire M640 V-Pro Vampire Scout Light Pro is constructed from Mil-Spec hard anodized aluminum and is O-Ring sealed for durability. Proper maintenance ensures optimal performance and longevity.
- Cleaning: Periodically clean the lens with a soft, lint-free cloth. For stubborn dirt, a small amount of isopropyl alcohol can be used. Keep the body of the light free from dirt and debris.
- O-Ring Inspection: Inspect the O-rings (located at the tail cap and bezel) for any signs of wear, cracks, or damage. Replace O-rings if necessary to maintain water resistance.
- Battery Replacement: Replace batteries when the light output diminishes. Always use fresh, high-quality batteries.
- Storage: When storing the light for extended periods, remove the batteries to prevent leakage and potential damage to the device.
6. Troubleshooting
If you experience issues with your SureFire M640 V-Pro Vampire Scout Light Pro, consider the following:
- Light Not Activating: Ensure batteries are correctly installed with proper polarity and are not depleted. Check that the tail cap is fully tightened.
- Dim Light Output: Replace batteries with fresh ones. Clean the lens if it appears dirty.
- Mode Switching Issues: Ensure the bezel is clean and free of obstructions. Rotate it firmly to engage each mode.
If problems persist after performing these checks, please contact SureFire customer support for further assistance.
7. Specifications
| Brand | SureFire |
| Model Name | Infrared Scout Pro |
| Part Number | M640V-TN-PRO |
| Color | Tan |
| Material | Aluminum |
| Item Weight | 4.15 Ounces |
| White Light Output | 350 Lumens |
| Infrared (IR) Output | 120 milliwatts |
| Mounting Type | Picatinny Mount (Low-Profile Mount) |
| Compatible Devices | Handgun (and other firearms with compatible rails) |
| UPC | 084871329316 |
8. Warranty and Support
8.1 Warranty Information
The SureFire M640 V-Pro Vampire Scout Light Pro is covered by the SureFire No Hassle Warranty. For detailed terms and conditions, please refer to the official SureFire website or contact their customer service.
8.2 Customer Support
For technical assistance, warranty claims, or any other inquiries regarding your product, please visit the official SureFire website or contact their customer support department directly. Contact information can typically be found on the SureFire website.
