SureFire M640U Scout Light PRO Weapon Light - 1000 Lumens - Black
2 options
- Black, this page
- Tanfrom $282.49, in stock
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SureFire
Overview
The SureFire M640U Scout Light Pro is a high-output weapon light designed to deliver 1000 lumens of illumination, making it suitable for various low-light scenarios. It operates on two CR123A 3V Lithium batteries and is constructed from durable aluminum, ensuring reliability in demanding environments. This light features a versatile mount type compatible with both M-LOK and Picatinny systems, making it an excellent addition to mid-length gas system builds in 5.56 NATO caliber rifles.
Specifications
SureFire M640U Scout Light PRO Weapon Light - 1000 Lumens - Black
2 options
- Black, this page
- Tanfrom $282.49, in stock
August 2026 on GunPartPicker
SureFire M640U Scout Light PRO Weapon Light - 1000 Lumens - Black was the fifth most added weapon light on GunPartPicker in August 2026, behind the Sightmark LoPro Light and Green Laser - Visible/IR - Black, with about 6% of all weapon lights added to builds. Up from #6 in July. Builds with this weapon light are mostly chambered in 5.56 NATO (94%), mostly on mid-length gas (60%, then carbine-length 33%), and mostly AR-15 (93%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 9 of the 10 retailers we track have it in stock. The best price crept up from $264.49 to $341 over August 2026. Buying today, the lowest price is $268.99 at Ammunition Depot.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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We ranked every light by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Weapon Light Guide →Frequently Built With
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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.
Builds Featuring This Part
See all 3 →Builds in the community that include the SureFire M640U Scout Light Pro Weapon Light - 1000 Lumens - Black
| Build | Parts | Total |
|---|---|---|
 | 27 | $6407.91 |
 | 20 | $3994.99 |
 | 27 | $6944.32 |
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