The SureFire M640DF-BK-PRO Dual Fuel Scout Light Pro delivers dependable illumination for close- to extended-range applications. Built around the proven M600DF Scout Light design, this black weapon light combines a recoil-proof, ultra-high-output LED with flexible mounting for reliable performance on a wide range of platforms. It produces up to 1,200 lumens when powered by disposable 123A batteries or up to 1,500 lumens with a SureFire SF18650B rechargeable lithium-ion battery.
The included SureFire Low-Profile Mount provides adjustable positioning relative to the rail, helping users achieve a clean, practical setup. The mount attaches securely to MIL-STD-1913 and M-LOK rails, offering broad compatibility for modern firearms and accessories. Its Total Internal Reflection (TIR) lens generates a hybrid beam with focused reach and useful surrounding illumination, supporting target identification and situational awareness in varied environments.
Constructed from lightweight aerospace aluminum, the M640DF-BK-PRO is finished with Mil-Spec hard anodizing for enhanced durability. O-ring sealing helps protect internal components from moisture and environmental exposure, while the rugged construction is designed to withstand recoil and demanding field use. As part of the SureFire Scout Light family, this Dual Fuel model offers dependable operation, flexible power options, and a streamlined mounting solution in a professional-grade weapon light system.
Features:
- Brand: SureFire
- Part Number: M640DF-BK-PRO
- Model: M640
- Type: WeaponLight
- Output: Up to 1,500 lumens with an SF18650B rechargeable lithium-ion battery or 1,200 lumens with 123A batteries
- Power Options: Compatible with disposable 123A batteries and the SF18650B rechargeable lithium-ion battery
- Mounting: SureFire Low-Profile Mount with adjustable rail positioning
- Rail Compatibility: Attaches to MIL-STD-1913 and M-LOK rails
- Beam Pattern: Total Internal Reflection lens produces a hybrid beam with focused reach and surrounding light
- Construction: Lightweight aerospace aluminum housing with Mil-Spec hard-anodized finish
- Protection: O-ring sealed for resistance to moisture and environmental exposure
- Color: Black