SureFire M640DF Scout Light PRO Dual Fuel Weapon Light - 1500 Lumens - Tan
All SureFire lights2 options
- Blackfrom $319.99, in stock
- Tan, this page
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SureFire
Overview
The SureFire M640DF Scout Light Pro is a versatile dual fuel weapon light that outputs an impressive 1500 lumens, providing exceptional illumination for any tactical situation. It can be powered by either two CR123A 3V lithium batteries or a rechargeable 18650 3.6V lithium-ion battery, allowing builders flexibility in power choice. Designed for easy mounting on M-LOK or Picatinny rails, this flashlight is commonly found on mid-length gas system builds chambered in 5.56 NATO, making it an ideal addition for those looking to enhance visibility in low-light conditions.
Specifications
SureFire M640DF Scout Light PRO Dual Fuel Weapon Light - 1500 Lumens - Tan
2 options
- Blackfrom $319.99, in stock
- Tan, this page
Available Merchants(9)
Prices checked
Price Alert
September 2026 on GunPartPicker
SureFire M640DF Scout Light PRO Dual Fuel Weapon Light - 1500 Lumens - Tan ranked #42 of the 89 weapon lights builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #26 of the 232 weapon lights builders have added. Builds with this weapon light are mostly chambered in 5.56 NATO (80%), mostly on mid-length gas (67%, then carbine-length 25%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 9 retailers we track have it in stock. It dipped to $309.99 at Ammunition Depot for a stretch in September 2026, well under its usual $395, so sales do come around. Buying today, the lowest price is $369.99 at Optics Planet, above September's low of $309.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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