SureFire M640DF Dual Fuel Scout Light Pro 1500 Lumens Tan

The SureFire M640DF Dual Fuel Scout Light Pro is a rail-mounted illumination tool designed for use on rifles. It features SureFire's Low-Profile Mount (LPM) for flexible positioning on MIL-STD-1913 or M-LOK rails and offers dual-power capability for extended field versatility. The light provides a hybrid beam shaped by a TIR lens to balance reach and surround illumination.

Key Specifications

• The light outputs 1,500 lumens with an SF18650B rechargeable battery and 1,200 lumens with two 123A batteries.
• Power is supplied by one SF18650B or two 123A (CR123A) batteries.
• Runtime reaches up to 1.5 hours with an SF18650B and up to 1.25 hours with 123A batteries.
• Peak beam intensity measures 16,000 candela with the SF18650B and 12,800 candela with 123A batteries.
• Effective beam distance is up to 250 meters with the SF18650B and 220 meters with 123A batteries.
• Head diameter is 1.125 inches.
• The unit weighs 5.5 oz with batteries installed.
• Mounting options include MIL-STD-1913 (Picatinny) and M-LOK with the included Low-Profile Mount (LPM).
• Construction is aluminum with a Mil-Spec hard-anodized finish in tan.
• Activation is via the Z68 tailcap offering momentary and constant-on operation.

Rugged, compact, and adaptable, the M640DF Scout Light Pro delivers configurable on-weapon illumination for a range of practical tasks from low-light observation to close-range identification. The dual-fuel design and included mounts make it a flexible option for users who need a dependable, high-output light that integrates cleanly with modern accessory layouts.