SureFire Scout M640DFT Pro - Arkayne

SureFire Scout M640DFT Pro


The SureFire M640DFT Pro is a weapon light you knew you needed.

We all should desire high-quality and high-performance gear to have in our kit.

The M640DFT Pro from SureFire is an incredibly potent weapon light that features 100,000 candela and can shoot out to 632 meters. This gives you maximum visibility for spotting and identifying potential threats. In typical SureFire fashion, the M640DFT Pro features versatile Low-Profile Mounts to allow the user to place the light where needed.

Built for use

As far as the structure of the light goes, it is built to handle whatever is thrown at it. The M640DFT Pro is built from Aluminum with a Mil-spec Hard Anodized finish. It is also can be submerged in 1 meter of water for up to 30 minutes due to its IPX7 rating. So whether you are in the dustiest or wettest of areas, this light will still run strong.

Available on backorder


SureFire Scout M640DFT Pro

The SureFire Scout M640DFT Pro, otherwise known as the M640 Dual Fuel Turbo Scout Light Pro is an extremely potent weapon light. In the world of weapon lights there is many options on the market. The M640DFT Pro is one of the best-performing, most durable, and most feature-rich WeaponLight for its size.

Attaching your M640DFT Pro

SureFire is renowned for having great attachment solutions for weapon lights. The M640DFT Pro is no different. Included in the package are two mounting options that can fit your needs. Whether you’re mounting on MIL-STD-1913 or M-LOK rails, they have a mount included for you. These low-profile mounts will allow the user to optimize the light’s position relative to the rail and other attached firearm accessories.

Lighten the Darkness

The SureFire Scout M640DFT Pro features a tight beam of light that illuminate potential threats up to 632 meters. It also provides ample spill light to allow situational awareness to be maintained. Due to this fact, you can have enough light to see well but minimize bouncing light when peering around obstacles.

  • Generates 100,000 candela and 700 lumens of tightly focused light with included SF18650B battery
  • Versatile Low-Profile Mount (LPM) allows the user to optimize the light’s position relative to the rail and other attached firearm accessories
  • Mounts for MIL-STD-1913 rails and M-LOK rails included
  • Mil-Spec hard-anodized aluminum body and tempered window make it light rugged, durable and combat ready
  • Easy, instant activation via ZE68 momentary/constant-on pushbutton switching with protective shroud
  • Compatible with a host of SureFire accessory remote switches
  • Meets IPX7 waterproof test standard at 1 meter for 30 minutes
  • *Note: SF18650B battery required for 700-lumen output, 100,000 candela, 2.75-hour runtime, and 632-meter beam distance
Key Attributes

Hight Output

700 lumens w/ SF18650B; 600 lumens w/ two 123 lithium


2.75 hours w/ SF18650B; 1 hour w/ two 123 lithium

Peak Beam Intensity

100,000 candela w/ SF18650B; 90,000 candela w/ two 123 lithium


One SF18650B rechargeable (incl.) or two 123A lithium


Click tailcap


5.9 in (15 cm)

Distance 632 meters w/ SF18650B; 600 meters w/ two 123 lithium




Mil-Spec Hard Anodized

Weight w/ Batteries

5.5 oz (156 g)

Bezel Diameter

1.258 in (3.19 cm)

Liquid Ingress Protection


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A note about our current lead times:

Arkayne is a RAPIDLY growing brand. Because of that, some of our suppliers have a hard time keeping up. There are occasions where WE experience lead times from our partners, and we do our absolute best to post the lead times at the top of our product pages. BEFORE PURCHASING: look at the lead time on the product pages. If you have ANY questions regarding lead times,  Email: and we will send you our closest ETA. We know you are pumped to get your gear, and we will process your order as fast as possible. We aren’t Amazon, we are a small US owned business that gives a rip about getting you equipped. We will get you your gear ASAP. See you in the darkness.