SureFire M640DF Scout Light Pro – 1500 Lumens, Tan

Description

The SureFire M640DF Scout Light Pro is a dual-fuel, rail-mounted illumination solution designed for versatile field use. It produces up to 1,500 lumens with a rechargeable SF18650B battery or 1,200 lumens with two 123A batteries, and uses a TIR lens to create a hybrid beam with both reach and useful surround light. The unit ships with SureFire’s Low-Profile Mount (LPM) for flexible positioning on MIL-STD-1913 (Picatinny) or M-LOK rails. Constructed from aerospace-grade aluminum with a Mil-Spec hard-anodized finish and O-ring seals, the M640DF balances weight and durability for demanding environments.

Key Specifications

• The light outputs 1,200 or 1,500 lumens depending on battery choice.
• Run time is approximately 1.25 hours with 123A and 1.5 hours with SF18650B.
• The peak beam distance is about 220 meters (123A) or 250 meters (SF18650B).
• Power options include a single SF18650B rechargeable or two 123A lithium batteries.
• The overall length measures 5.56 inches.
• The head diameter is 1.125 inches.
• Finished in tan Mil-Spec hard-anodized aluminum with O-ring environmental seals.
• Includes a Low-Profile Mount that fits MIL-STD-1913 (Picatinny) and M-LOK rails.
• Activation is via the Z68 click on/off tailcap with momentary/constant-on functionality.
• The unit carries an IPX7 waterproof rating for resistance to immersion and weather exposure.

Compact, rugged, and engineered for dependable performance, the M640DF Scout Light Pro delivers flexible power options and a versatile beam pattern that suits close-in work and longer-range observation. Its Low-Profile Mount provides straightforward integration with modern accessory arrays while the lightweight aluminum construction keeps carry weight low without sacrificing durability. For users who need a proven mounted illumination tool that adapts to rechargeable or disposable power, the M640DF is a practical, well-specified choice.