{"id":5089,"date":"2026-05-04T09:14:59","date_gmt":"2026-05-04T09:14:59","guid":{"rendered":"https:\/\/nextgun.ch\/wiki\/surefire-scout-light-pro-the-us-reference-rifle-lamp\/"},"modified":"2026-05-26T10:43:26","modified_gmt":"2026-05-26T10:43:26","slug":"surefire-scout-light-pro-the-us-reference-rifle-lamp","status":"publish","type":"wiki","link":"https:\/\/nextgun.ch\/en\/wiki\/surefire-scout-light-pro-the-us-reference-rifle-lamp\/","title":{"rendered":"SureFire Scout Light Pro | The US Reference Rifle Lamp"},"content":{"rendered":"\t\t
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The SureFire Scout Light Pro<\/strong> is an American tactical light for rifles and rifles, developed by SureFire LLC in the line of the Scout Light series that appeared in the 2000s. Designed for military and law enforcement operators, the “Pro” version stands out for its mounting versatility (Picatinny and M-LOK) and, in its Dual Fuel version, for its dual compatibility with CR123A batteries and 18650 rechargeable batteries, offering up to 1,500 lumens of power. <\/p>\n\n

History and Development of the SureFire Scout Light Pro<\/h2>\n

SureFire’s Scout Light range was created in the early 2000s by Larry Vickers, a former member of the US Special Forces (Delta Force) and a shooting instructor. The aim was to provide SOF operators with a robust, compact and reliable lamp that could be mounted on the M4 and HK416 assault rifles in rail-mounted versions. The first models (M600 and M300) quickly became the benchmark in elite American and Allied units. <\/p>\n

The Pro<\/strong> version, launched in 2020, modernizes the historic platform by directly integrating a low-profile hybrid mount, compatible with M-LOK and Picatinny MIL-STD-1913 rails, without the need for additional adapters. This evolution responds to the generalization of M-LOK handguards on modern rifles (BCM, Geissele, Daniel Defense). The Dual Fuel<\/strong> (M640DF) version, which appeared in 2021, adds the ability to use an 18650 rechargeable battery in addition to the traditional CR123A batteries, doubling the effective range and lowering the cost of use in the long term. <\/p>\n\n

Technical Specifications<\/h2>\n\n\n
Feature<\/th>Specification<\/th><\/tr><\/thead>\n
Official designation<\/td>M640DF (Scout Light Pro Dual Fuel)<\/td><\/tr>\n
Country of Origin<\/td>United States<\/td><\/tr>\n
Manufacturer<\/td>SureFire LLC (Fountain Valley, California)<\/td><\/tr>\n
Launch year<\/td>2020 (Pro) \/ 2021 (Dual Fuel)<\/td><\/tr>\n
High-performance LED<\/td> light source<\/td><\/tr>\n
Luminous flux<\/td>1,500 lumens (18650) \/ 1,200 lumens (2x CR123A)<\/td><\/tr>\n
Maximum Amperage<\/td>16,000 candela (18650) \/ 12,800 candela (CR123A)<\/td><\/tr>\n
Length<\/td>141.2 mm (5.56 inches)<\/td><\/tr>\n
Bezel Diameter<\/td>28.6 mm (1.125 inches)<\/td><\/tr>\n
Weight (with batteries)<\/td>156 g (5.5 oz)<\/td><\/tr>\n
Power supply<\/td>1x 18650 SF18650B battery OR 2x CR123A batteries<\/td><\/tr>\n
Continuous battery life<\/td>1 h 15 min to 1 h 30 min<\/td><\/tr>\n
Enclosure<\/td>Mil-Spec Type III anodized aerospace aluminum<\/td><\/tr>\n
IPX7 waterproof<\/td>(1 m \/ 30 min immersion), O-rings<\/td><\/tr>\n
MIL-STD-1913 (Picatinny) and M-LOK<\/td> rail compatibility<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n

Operation and Technical Particularities<\/h2>\n

The Scout Light Pro is activated by a push button on the back of the body, in momentary (pressure maintained) or constant (rotation) mode. It is compatible with the SureFire DS-SR07 and UE-SR07 remote controls via coaxial cable, allowing triggering via an ergonomic switch placed on the handguard. The dual power supply compatibility (Dual Fuel) is its major innovation: the user can power the lamp with two standard CR123A 3V batteries (long storage time, ideal for training or long missions) or with a proprietary SureFire 18650 rechargeable battery (economical over time, longer range). <\/p>\n

The smooth reflector with TIR (Total Internal Reflection) technology projects a beam balanced between central concentration and peripheral diffusion, optimized for rifle use at close to intermediate distances (CQB up to 100 meters). The hard-anodized aerospace aluminum housing meets Mil-Spec Type III standards, providing excellent resistance to impacts, solvents and extreme weather conditions. The included Low-Profile Mount ensures a minimal footprint, ideal for modern thin-handguard rifle setups. <\/p>\n\n

Variants and Versions<\/h2>\n

The Scout Light Pro family includes several versions: the M640U Pro<\/strong> (single source CR123A, 1,000 lumens), the M640DF Pro Dual Fuel<\/strong> (1,500 lumens in 18650), the M640V Pro<\/strong> with IR\/visible module for use with night vision devices, and the M640DFT Pro Turbo<\/strong> which combines dual fuel with a high-candela Turbo Head reflector (650 lumens \/ 100,000 candela), providing superior range for long-range engagements. All of these versions share the same Scout format and accept SureFire remote controls. <\/p>\n\n

Users and Armed Forces<\/h2>\n

The Scout Light range has been adopted for more than two decades by many American special units (United States Special Operations Command, US Navy SEALs, US Marine Raiders) and several NATO allied forces. The Pro version has established itself in recent equipment programs thanks to its direct M-LOK compatibility. On the civilian market, the Scout Light Pro is very popular among sport shooters (3-Gun, USPSA carbine) and AR-15 enthusiasts looking for a high-end and reliable light. <\/p>\n\n

Civil Possession in Switzerland<\/h2>\n

In Switzerland, the SureFire Scout Light Pro is freely available for purchase from specialist gunsmiths and tactical equipment dealers. As a weapon accessory and not a firearm, its acquisition does not require an acquisition permit or cantonal authorisation within the meaning of the Federal Weapons Act (LArm). However, its assembly and use must comply with the conditions of possession of the firearm on which it is installed and the regulations of shooting ranges during sporting activities. For private security guards and law enforcement officers, operational use is governed by cantonal regulations and the service instructions of each corps. <\/p>\n\n

Conclusion<\/h2>\n

The SureFire Scout Light Pro represents the culmination of more than twenty years of experience in tactical rifle lights and remains an absolute reference for those equipping a defensive or service rifle. Its M-LOK\/Picatinny mounting versatility, 1,500 lumens of output and dual power compatibility make it one of the most comprehensive choices on the market, justifying its status as standard equipment in elite units and demanding shooters around the world. <\/p>\n\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":4963,"template":"elementor_theme","meta":{"_acf_changed":false},"class_list":["post-5089","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t