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Surefire M640
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Surefire

M640

$369.00
$332.00
Sale Price
Available California compliant

Surefire 640DF Scout Pro Flashlight, LED, 1500 Lumens, Black, 1913 Picatinny Mount installed, MLOK Mount included, Z68 On/Off Tailcap, SF18650B Micro-USB Rechargeable Battery Included M640DF-BK-PRO

Key Details
Brand Surefire
Manufacturer Part Number M640DF-BK-PRO
UPC 084871329262
SKU SFM640DF-BK-PRO
Current Stock 785 available
Quantity Updated Apr 23, 2026 8:20 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The Dual Fuel Scout Light Pro combines the proven features of the M600DF Scout Light. SureFire's Low-Profile Mount (LPM) offers unmatched flexibility, allowing the user to adjust the light's position relative to the rail. Durable and reliable, the LPM easily and securely attaches to any MIL-STD-1913 or M-LOK rail. The Dual Fuel's recoil-proof, ultra-high-output LED produces 1,200 lumens of bright white light with 123A batteries or 1,500 lumens with the SF18650B rechargeable lithium-ion battery. Its Total Internal Reflection (TIR) lens creates a hybrid beam pattern with plenty of reach and surrounding light. It's perfect for close-to longer-range use. Made of lightweight aerospace aluminum, Mil-Spec hard-anodized, and O-ring sealed to resist the elements, the Dual Fuel Scout Light Pro offers a fresh take on a legendary Weapon Light system.

Features
  • Includes Picatinny and M-LOK Low-Profile Mounts
  • Virtually Indestructible Ultra-High-Output LED and IR
  • Includes Z68 Momentary/Constant-On Tailcap
  • No IR Filter Required
Specifications
UPC: 084871329262
Manufacturer: Surefire
Manufacturer Part #: M640DF-BK-PRO
Model: M640
Type: Weaponlight