Surefire M640 Dual Fuel Scout Light Pro
Price range: $332.00 through $359.00
Surefire M640 Dual Fuel Scout Light Pro
The SureFire M640DF Scout Light Pro is a high-performance, dual-fuel WeaponLight designed for versatility, power, and reliability on any rifle platform. Featuring SureFire’s Low-Profile Mount (LPM), it allows optimal light positioning relative to the rail and other firearm accessories, while securely attaching to either MIL-STD-1913 or M-LOK rail systems.
Powered by either the included rechargeable SF18650B lithium-ion battery or two disposable 123A lithium batteries, the M640DF produces up to 1,500 lumens of brilliant white light.
SureFire’s proprietary TIR lens delivers a tightly focused, far-reaching beam with ample peripheral light for situational awareness. Built from aerospace aluminum, Mil-Spec hard anodized, and O-ring sealed, the M640DF is rugged, dependable, and combat-ready.
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Features
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Dual-fuel design: runs on one SF18650B rechargeable battery or two 123A lithium batteries.
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Up to 1,500 lumens of high-output white light with impressive reach and surround illumination.
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Low-Profile Mount (LPM) provides flexible rail positioning and secure attachment.
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TIR lens creates a balanced beam — long-range focus with usable peripheral spill.
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Simple, reliable activation via click-on/off tailcap switch (compatible with SureFire remote switches).
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Aerospace aluminum body, Mil-Spec hard anodized finish, and O-ring sealed for durability.
Performance
- High Output: 1,500 lumens w/ SF18650B; 1,200 lumens w/ two 123 lithium
- Runtime: 1.5 hours w/ SF18650B; 1.25 hour w/ two 123 lithium
- Distance: 250 meters w/ SF18650B; 220 meters w/ two 123 lithium
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