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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
Available Merchants(9)
Prices checked
Price Alert
October 2026 on GunPartPicker
Surefire M640DFT Scout Light PRO w/ M-LOK Mount, Tan - M640DFT-TN-PRO ranked #25 of the 101 weapon lights builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #38 of the 255 weapon lights builders have added. Builds with this weapon light are nearly all chambered in 5.56 NATO, split between carbine-length (43%) and mid-length (43%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today 4 of the 9 retailers we track have it in stock. It dipped to $305.49 at Ammunition Depot for a stretch in October 2026, well under its usual $359.49 to $367.99, so sales do come around. Buying today, the lowest price is $359.49 at Optics Planet, above October's low of $305.49, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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 builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
EOTECH EXPS3-0 Holographic Weapon Sight - Tan
Aero Precision AR-15 M4E1 Stripped Upper Receiver Black 5.56mm
Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
American Defense Manufacturing Battlegrip QD Short Vertical Grip Standard Legacy Lever Flat Dark Earth
Unity Tactical AXON, Dual Button Remote Switch for Surefire/Crane Laser, fits Picatinny, Black
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 builds →Builds in the community that include the Surefire M640DFT Scout Light Pro w/ M-Lok Mount, Tan - M640DFT-TN-PRO
| Build | Parts | Total |
|---|---|---|
 | 27 | $4932.14 |
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