SureFire M340DF Dual Fuel Turbo Mini Scout Light PRO Weapon Light - 550 Lumens - Black
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Overview
The SureFire M340DF Dual Fuel Turbo Mini Scout Light is a compact weapon light that delivers a powerful output of 550 lumens, providing exceptional illumination for tactical scenarios. It operates on a rechargeable 18350 3.6V Li-Ion battery, ensuring reliability and convenience in the field. Designed for versatility, it features a mounting system compatible with both M-LOK and Picatinny rails, making it suitable for various setups. This light is often found in builds utilizing a carbine gas system and chambered in 5.56 NATO, enhancing visibility for precision shooting and dynamic engagements.
Specifications
SureFire M340DF Dual Fuel Turbo Mini Scout Light PRO Weapon Light - 550 Lumens - Black
Available Merchants(10)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
SureFire M340DF Dual Fuel Turbo Mini Scout Light PRO Weapon Light - 550 Lumens - Black is the tenth most added weapon light on GunPartPicker so far in October 2026, behind the SureFire M340C Mini Scout Light PRO Weapon Light - 500 Lumens - Black, with about 2% of all weapon lights added to builds. Up from #19 in September. Builds with this weapon light are mostly chambered in 5.56 NATO (83%, then 300 Blackout 10%), split between mid-length (47%) and carbine-length (44%) gas systems, 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 10 retailers we track have it in stock. The best price crept up from $329.99 to $377 over September 2026. Buying today, the lowest price is $358.49 at Optics Planet, above September's low of $329.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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
The part most often added in each category by the builds that include this one
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Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
SIG Sauer SLX Suppressor SURG 5.56, Assembly w/ Heat Shield, Commercial - SLX-SURG556
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
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 builds →Builds in the community that include the SureFire M340DF Dual Fuel Turbo Mini Scout Light Pro Weapon Light - 550 Lumens - Black
| Build | Parts | Total |
|---|---|---|
 | 9 | $4459.55 |
 | 14 | $3483.08 |
 | 24 | $5134.30 |
 | 32 | $2716.04 |
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