Description
The Viridian 4LUX CQ is one of those accessories that makes you wonder why nobody did it sooner. It rolls an ergonomic forward grip and a 400 lumen tactical light into a single M-LOK unit, so instead of running a separate handstop and a weapon light on your rail, you get both in one tidy package. Less clutter up front, less weight, and one less thing to fumble with when it counts. The light throws 400 lumens at 850 candela through a close quarters beam and floodlight lens, which means it's built to spread light wide and flood a room rather than reach way out there.
What Makes the 4LUX Grip Light Different
The headline feature is Viridian's Grip 'N Rip activation. There's a pressure pad recessed into the handstop portion, so the light kicks on the instant you grab the grip and shuts off when you let go. No thumbing a button, no reaching for a tail cap. Just take a firing grip and you've got light. That kind of intuitive control is exactly what you want in a defensive setup where your hands are already busy.
Built Tough and Made Stateside
The 4LUX is constructed from high-strength thermo-molded polymer with a machined aluminum LED housing that helps dissipate heat. Metal M-LOK hardware and a metal battery compartment round it out, so it holds up to recoil and rough handling. It's rated for impact and weather resistance and runs across a wide temperature range, from bitter cold to desert heat. Every 4LUX is designed and built in Minnesota, and it carries a lifetime limited warranty.
Where the 4LUX Earns Its Keep
At just 1.76 ounces added weight, this thing barely registers, yet it delivers real muzzle control and low-light target identification. It's engineered for the AR-15, AK-47, and tactical shotguns, and it'll bolt onto any firearm wearing an M-LOK handguard. Two CR2 batteries give you around 90 minutes of constant runtime, and the mounting tools come in the box. For home defense and range work in the Flat Dark Earth finish, it's a smart way to add capability without cluttering your rifle.
Key Specifications
- Manufacturer: Viridian Weapon Technologies
- MPN: 912-0075
- UPC: 850038512804
- Color: Flat Dark Earth (FDE)
- Light Output: 400 Lumens
- Candela: 850
- Activation: Grip 'N Rip auto on when gripped
- Mount: M-LOK
- Battery Type: 2x CR2 3V
- Runtime: 90 minutes constant on
- Material: High-strength thermo-molded polymer with machined aluminum LED housing
- Operating Temperature: -40 to 140 degrees F
- Weight: 1.76 oz
- Length: 5.95 in
- Warranty: Lifetime Limited
- Origin: Made in the USA (Minnesota)
What’s Included
- Viridian 4LUX CQ Grip Weapon Light (FDE)
- 2x CR2 batteries
- M-LOK mounting hardware
- Installation tools
Frequently Asked Questions
How does the light turn on with the 4LUX grip light?
The 4LUX uses Viridian's Grip 'N Rip activation, which places a pressure pad inside the handstop portion of the grip. When you take a firing grip, the light comes on automatically, and it shuts off the moment you let go. There's no button to hunt for, so illumination is instant when your hands are already on the gun.
What firearms will the 4LUX mount on?
It's designed to fit any firearm with an M-LOK handguard, including the AR-15, AK-47, and tactical shotguns. As long as you have M-LOK slots and enough rail real estate for the grip, you're good to go. The mounting hardware and tools come included in the box.
What batteries does the Viridian 4LUX use and how long do they last?
The 4LUX runs on two CR2 3V batteries, which are included with the unit. You'll get around 90 minutes of constant runtime on the 400 lumen output. Since it's a defensive and close quarters light rather than an all-day worklight, that runtime is well suited to its purpose.
Is the 4LUX light bright enough and what kind of beam does it throw?
It puts out 400 lumens at 850 candela through a close quarters beam and floodlight lens. That combination is tuned to flood a wide area rather than throw a tight, long-distance beam, which makes it ideal for room-sized distances and low-light target identification. For home defense and close range work, it's plenty of light.




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