SureFire M640U-BK-PRO
SureFire Scout Light Pro Ultra-High-Output LED WeaponLight User Manual
Ibhrendi: I-SureFire
Imodeli: M640U-BK-PRO
1. Isingeniso kanye Phezuview
The SureFire Scout Light Pro is the next generation of SureFire's renowned Scout Light series. It is engineered as a modular, low-profile, compact, lightweight, and highly durable weapon light system designed for long guns. This system is widely recognized and utilized by military personnel, law enforcement agencies, and responsible armed citizens for its reliable performance and adaptable design.

Figure 1: SureFire Scout Light Pro Ultra-High-Output LED WeaponLight.
The Scout Light Pro features an innovative pivoting low-profile mount (LPM) that allows for optimal positioning of the weapon light. This design ensures the light can be mounted as close as possible to the firearm, regardless of the platform (e.g., SCAR, AK, M4, AR), thereby reducing the overall profile and minimizing snag hazards. This low-profile integration is particularly beneficial when running lasers or other accessories, contributing to a more streamlined and efficient setup.
2. Izici
- Pivoting Low-Profile Mount (LPM): Allows for precise positioning and tight integration with the firearm, reducing overall bulk.
- Izinketho Zokukhweza Ezihlukahlukene: Includes cleats for both Picatinny and M-LOK rails, ensuring broad compatibility.
- Ukwakhiwa Okuqinile: Built to withstand rigorous use in demanding environments.
- Multiple Variants: Available in various configurations to suit different power and illumination needs, including white light and infrared (IR) options.
- Ukuhambisana Nezinsiza: Works seamlessly with a range of SureFire Scout Light accessories, including different tail caps and pressure switches.
3. Ukusetha nokufakwa
Follow these steps to properly mount your Scout Light Pro:
- Lungiselela iNtaba: Ensure the main screw on the low-profile mount is slightly loose. This allows the Scout Light to swivel freely.
- Mount the Cleat: Attach the appropriate cleat (Picatinny or M-LOK) to your firearm's rail or fore-end.
- For the Picatinny version, tighten the single flat-head screw.
- For the M-LOK version, tighten the two Allen-head screws.
- Misa ukukhanya: Once the cleat is securely mounted, pivot the Scout Light into your desired position. The pivoting feature allows for optimal placement, including positions that lay back on themselves for a traditional Scout Light orientation (e.g., 3 o'clock, 6 o'clock, or 9 o'clock).
- Vikela ukukhanya: Hand-tighten the main screw on the low-profile mount. After hand-tightening, turn the screw an additional quarter turn to ensure it is snug and will not come loose during use.
Video 1: Official SureFire Scout Light Pro Series Overview and Mounting Instructions. This video demonstrates the features, variants, and mounting process of the Scout Light Pro, including its innovative pivoting mount and compatibility with various accessories.
4. Operation and Variants
The Scout Light Pro series offers several variants, each designed for specific performance characteristics:
- M640C: Uses two CR123 batteries and provides an output of 1000 lumens.
- 340C: A more compact version that uses one CR123 battery, offering an output of 500 lumens.
- Dual Fuel Scout Light Pro: This versatile model can be powered by an 18650 lithium-ion rechargeable battery or two CR123 batteries. When using the 18650 battery, it delivers an impressive 1500 lumens.
- IR Scout Light Series: These models feature both white light and infrared (IR) illumination. The mode is activated by simply twisting the head of the light. IR illumination is intended for use with night vision devices.
- One-Battery Version: Produces 250 lumens in white light mode and 100 milliwatts (mW) in IR mode.
- Two-Battery Version: Produces 350 lumens in white light mode and 120 milliwatts (mW) in IR mode.
5. Izesekeli Ezihambisanayo
The Scout Light Pro is compatible with all existing SureFire Scout Light accessories, enhancing its versatility:
- DS (Dual Switch Tail Cap): Features both a plug socket for a pressure switch and a push-button switch for momentary or constant-on activation.
- SR07 (Pressure Switch): A rail-grabbing pressure switch designed for Picatinny rails. It includes a momentary pad on top and a click function for constant-on activation.
- UE (Tail Cap): A plug-socket-only tail cap that offers a more low-profile umklamo.
- ST (Switch): A momentary-only pressure pad.
- SRDIT (Pressure Pad): A dual-switch pressure pad specifically designed for use with ATPIAL laser devices. It features one pad for the laser device and another for the light or illuminator.
6. Isondlo
To ensure the longevity and optimal performance of your SureFire Scout Light Pro, regular maintenance is recommended:
- Ukuhlanza: Periodically clean the exterior of the light with a soft, damp cloth. For stubborn dirt, a mild soap solution can be used. Ensure the light is completely dry before reassembly or storage.
- Ukunakekelwa Kwelensi: Keep the lens clean and free of debris. Use a lens cleaning cloth or a cotton swab with a small amount of rubbing alcohol to gently clean the lens. Avoid abrasive materials that could scratch the surface.
- O-Rings and Threads: Inspect O-rings for any signs of wear or damage. Apply a thin coat of silicone grease to O-rings and threads to maintain water resistance and smooth operation.
- Igumbi Lebhethri: Ensure the battery compartment is clean and free of corrosion. Replace batteries as needed, following the correct polarity.
- Izingxenyekazi zekhompuyutha zokukhweza: Regularly check all mounting screws and hardware for tightness. Re-tighten if necessary to prevent the light from shifting during use.
7. Ukuxazulula izinkinga
If you encounter issues with your Scout Light Pro, consider the following troubleshooting steps:
- Ukukhanya Okungakhanyi:
- Hlola ukuma kwebhethri bese uqinisekisa ukuthi lisha.
- Verify that the tail cap is fully tightened.
- Clean battery contacts and threads.
- Ukusebenza Kwesikhashana:
- Ensure all connections (tail cap, pressure switch if used) are secure.
- Check for loose mounting hardware that might affect electrical contact.
- Replace batteries if they are low or inconsistent.
- Beam Issues (Dim or Flickering):
- Shintsha amabhethri.
- Clean the lens and reflector.
- Mounting Instability:
- Re-tighten the main screw on the low-profile mount as per installation instructions.
- Ensure the cleat is correctly seated and tightened on the rail.
For further assistance, please refer to the official SureFire webisayithi noma uxhumane nokwesekwa kwamakhasimende abo.
8. Imininingwane
| Isibaluli | Imininingwane |
|---|---|
| Igama Lemodeli | M640U-BK-PRO |
| Umbala | Mnyama |
| Okubalulekile | I-Aluminium |
| Uhlobo Lomthombo Wokukhanya | I-LED |
| Umthombo wamandla | Isebenza Ibhethri |
| Inombolo Yamabhethri | 2 CR123A amabhethri adingekayo (afakiwe) |
| Ukukhanya | 1000 Lumen (M640C variant) |
| Uhlobo Lokukhweza | Rail Mount |
| Isisindo sento | 4.4 Amawunsi |
| Ubukhulu bomkhiqizo (LxWxH) | 5.56" x 1.12" x 1.12" |
| I-UPC | 084871329286 |
9. Iwaranti kanye Nokusekela
The SureFire Scout Light Pro comes with a Iwaranti yomkhiqizi yonyaka ongu-2.
For detailed warranty information, product registration, or technical support, please visit the official SureFire webindawo:
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