SIG’s New Duty Light: FOXTROT 4R — SHOT Show 2025

in SHOT Show 2025
SIG Foxtrot 4R at the range
Reasonable size packing serious performance.

This year, I had the opportunity to attend SIG Sauer’s Global Defence Range Day and got a first look at some of their latest products, including the new duty light, the FOXTROT 4R. With an impressive spec sheet and a price point around $180, this light is bound to turn heads.

Let’s get straight to the point: this light is bright. SIG claims 1,350 lumens and 33,000 candela, which translates to a tight beam capable of illuminating targets at a distance while still providing enough flood for close-range use.

The FOXTROT 4R uses the same head as the FOXTROT-EDC light, which I’ve personally used to light up areas beyond 100 yards, even in heavy ambient backlighting.

SIG Foxtrot 4R
The lens design produces a tight beam with plenty of flood.

The light runs on a single rechargeable 18350 battery, which delivers about an hour of runtime. Conveniently, the FOXTROT 4R comes with two batteries, allowing you to quickly swap a fresh one in while charging the other.

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With front-loading battery access, you can easily replace a battery without removing the light from your firearm—a nice touch for uninterrupted use.

Holster compatibility should also be seamless. The FOXTROT 4R has a similar footprint to Modlite’s popular pistol light, meaning there’s already a solid variety of holsters that will work with it right out of the gate.

SIG Foxtrot 4R
The 4R is compatible with Modlite pattern holsters.

An interesting feature of the FOXTROT 4R is its highly configurable switches. The physical switches can be swapped between four styles, allowing you to customize their height and shape.

Beyond that, the switches are programmable to fit your preferences. For example, you can set an upward press for constant-on and a downward press for momentary use.

At the range, the switches are intuitive and easy to activate with either your index finger or thumb, adding to the light’s overall usability.

SIG Foxtrot 4R at the range
The switches are easy to activate with the index finger or thumb

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Overall, the FOXTROT 4R seems to deliver high-end performance comparable to other premium pistol lights, but at a more wallet-friendly price.

While it’s not available just yet, SIG expects the first shipments to hit shelves in April. In the meantime, it’s worth keeping an eye on their website for updates.

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About the author: Garrett Negen has a wide variety of skills and interests. His profession as an engineer in the steel industry falls right in line with his hands-on approach to his hobbies. Whether it’s ham radio, shooting, hunting, etc., Garrett is always happy when he has a project to work on.

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