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SureFire M640DF Pro Scout Light

(1 customer review)


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SureFire M640DF Pro Scout

The SureFire M640DF Pro Scout Light is the one of a kind weapon light with an ultimate single output.  This light unites the combat proven elements of the M600DF Scout Light with SureFire’s Low Profile Mount. The LPM delivers unprecedented versatility by allowing the user to optimize the light’s position relative to the rail. Rugged and reliable, the LPM can be easily and securely attached to any MIL STD 1913 (Picatinny) or M LOK rail, and every Scout Light Pro model includes mounting cleats for both rail styles. The Scout Light Pro Dual Fuel features a recoil proof, ultra high output LED that delivers 1,200 lumens of blinding white light with 123A batteries and 1,500 lumens of light with the SF18650B* rechargeable lithium ion battery.

A proprietary Total Internal Reflection (TIR) lens shapes the recoil proof LED’s light into a beam with plenty of reach but enough surround light to accommodate peripheral vision, making the Scout Light Pro Dual Fuel ideal for close to longer range applications. A slight press of the Z68 tailcap switch will activate the momentary on, while fully depressing the tailcap until it clicks will activate constant on. Constructed of lightweight aerospace aluminum with a Mil Spec Hard Anodized finish, and O ring sealed to keep out the elements, the rugged and lightweight Scout Light Pro Dual Fuel will endure combat like conditions without any sacrifice in weapon maneuverability.

SureFire M640DF Pro Scout Light Features

New SureFire Low Profile Mount (LPM) greatly enhances versatility, allowing the user to mount the Mini Scout Light Pro in the optimal position on any MIL STD 1913 (Picatinny) or M LOK rail

MIL STD 1913 (Picatinny) and M LOK rail mounting cleats are included with every Scout Light Pro model

Dual Fuel, virtually indestructible ultra high output LED generates 1,200 lumens of blinding light with 123A batteries or 1,500 lumens with included SF18650B rechargeable lithium ion battery & charger kit

TIR lens shapes versatile beam with enough reach and surround light for close to longer range operations

Reliable activation via Z68 momentary/constant on push button switching with protective shroud



Bezel Diameter 1.125 in
Length 5.56 in
Weight 5.5 oz
Finish Mil Spec Hard Anodized
Construction Aluminum
18650 Output 1,500 Lumens
123A Output 1,200 Lumens
18650 Run time 1.5 hrs
123A Run time 1.25 hrs


1 review for SureFire M640DF Pro Scout Light

  1. Hunter Elam PhD (verified owner)

    The Scout Pro mount is honestly the BEST mount I have ever used. Works for Mlok it Pic rail right out of the box. I love the dual fuel setup and it is perfect with either battery option. If you are buying a light go with a Scout Pro. You will not regret it at all!

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