Surefire M640DFT Scout Light PRO w/ M-LOK Mount, Tan - M640DFT-TN-PRO
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SureFire
Overview
The Surefire M640DFT Scout Light Pro is a versatile flashlight designed for tactical applications, offering reliable illumination in a compact form factor. Featuring a sleek FDE color, it integrates seamlessly with M-Lok mounting systems, making it an ideal choice for builders looking to enhance their AR-15 setups without adding excessive bulk. This light commonly appears in builds utilizing a mid-length gas system chambered in 5.56 NATO, providing both functionality and style for shooters.
Specifications
Surefire M640DFT Scout Light PRO w/ M-LOK Mount, Tan - M640DFT-TN-PRO
August 2026 on GunPartPicker
Surefire M640DFT Scout Light PRO w/ M-LOK Mount, Tan - M640DFT-TN-PRO ranked #23 of the 91 weapon lights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #35 of the 202 weapon lights builders have added. Builds with this weapon light are nearly all chambered in 5.56 NATO, split between carbine-length (50%) and mid-length (50%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 7 of the 8 retailers we track have it in stock. It dipped to $309.99 at Ammunition Depot for a stretch in August 2026, well under its usual $395, so sales do come around. Buying today, the lowest price is $367.99 at Optics Planet, above August's low of $309.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Read the guide: AR-15 Weapon Light Guide →Frequently Built With
The part most often added in each category by the 10 builds that include this one
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Aero Precision AR-15 M4E1 Stripped Upper Receiver Black 5.56mm
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Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
American Defense Manufacturing Battlegrip QD Short Vertical Grip Standard Legacy Lever Flat Dark Earth
B5 Systems Type 23 P-Grip - Coyote Brown
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 1 →Builds in the community that include the Surefire M640DFT Scout Light Pro w/ M-Lok Mount, Tan - M640DFT-TN-PRO
| Build | Parts | Total |
|---|---|---|
 | 27 | $5020.83 |
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