SureFire WeaponLights for long guns are available in three mounting configurations.

Picatinny Mount:

For firearms equipped with Picatinny (MIL-STD 1913) rails. These WeaponLights feature an integral rail clamp for rapid-on/off attachment. They include the Millennium Universal, Vertical Foregrip, and Scout Light WeaponLight systems.


For firearms without rails or firearms with their rails already in use. These WeaponLights can be attached directly to barrels, magazine tubes, front-sight posts, etc. with a selection of mounts from the Classic Universal WeaponLight system.

Replacement Forends:

These weapon-specific forends replace the original forend and feature integral tactical lights and switching—without any exposed switch cables. Includes our Dedicated Forend Weapon-Lights for shotguns, rifles, and carbines.


The two primary functions of a WeaponLight are to (1) allow you to see your opponent in your operational environment and (2) provide enough light to immediately degrade your opponent's night-adapted vision without significantly degrading your own. SureFire WeaponLights are powered by two or more three-volt 123A lithium batteries, so depending on the number of batteries used and circuit configuration, they are available in six-volt, nine-volt, and 12-volt versions. Higher voltage typically corresponds to higher light output. SureFire WeaponLight outputs range from 65 lumens in a typical two-battery (six-volt) system to 500 lumens in our nine-volt M500 Dedicated Forend with Turbohead conversion kit. SureFire recommends an incandescent output level of at least 60 lumens to momentarily blind a subject with night-adapted vision who is no more than 10 yards away.

Although maximum light output may initially sound like the way to go, WeaponLights with higher light outputs use more batteries and are consequently larger and heavier than lower-output systems. This can be significant when a firearm needs to be manipulated rapidly, used in close quarters, carried for long distances, or held in a firing position for extended periods of time. Also, in close-quarter engagements inside enclosed spaces, too much light can reflect back at the operator, degrading his night-adapted vision. For close- to medium-range operations, a two- or three-battery WeaponLight is generally a better option. For longer ranges, a three-, four-, or even six-battery light is more appropriate.

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