Streamlight TLR-7 HL-X – a Bayonet of Light for Your Weapon

Whether driven by the pressure of competition or simply recognizing the need to attract customers through innovation and progress, Streamlight has released yet another, even more advanced version of its popular model — the TLR-7 HL-X. But how do you decode the name? The acronym TLR stands, of course, for Tactical Light Rail-Mounted. The number 7 refers to the series — a line of compact, high-output lights that first appeared around 2018. The mysterious HL means High Lumen, indicating a high light output. And the X? That letter designates models powered by rechargeable batteries. So how do these symbols translate into real-world performance?

Like most respectable flashlights and other tactical gadgets, the TLR-7 HL-X is made from 6000-series aircraft-grade aluminum—a material known for its durability, corrosion resistance, and good thermal conductivity, which is particularly important for cooling. The flashlight has an IPX7 waterproof rating, meaning it’s protected against the effects of immersion in water up to 1 meter deep for approximately 30 minutes.

What else—besides the obvious—does Streamlight offer to win us over? For instance, multi-fuel power support. The TLR-7 HL-X can run on the included USB-rechargeable SL-B9 battery, or a standard CR123A battery. And now for the cherry on top: output—or more precisely, luminous performance. With the Streamlight rechargeable battery, it delivers up to 1,000 lumens and 22,000 candela. The effective range is impressive—nearly 300 meters. At this setting, the flashlight runs for about 30 minutes. It can also be switched to a more energy-efficient mode: 500 lumens, 11,000 candela, 210 meters of range, and 1 hour of runtime. Using a CR123A battery yields similar performance to the eco mode but can power the light for approximately 1.5 hours.

Before I even mounted the flashlight on a weapon, I tested its capabilities on its own. When I turned it on in the basement, it felt like I had just opened a portal to another dimension. And then there was light, as they say.

I also put it to the test outdoors. My neighbor—whose windows are about 200 meters from my house—can personally vouch for its ability to pierce through the night. And while writing this piece, I’d like to take a moment to sincerely apologize to him. Sorry, Johnny. The full range really is close to 300 meters, as confirmed by measurements taken with a rangefinder.

The flashlight comes with several types of mounting keys. Before attaching it to the rail, you need to select the appropriate one. User ergonomics are further enhanced by the option to choose between high or low switches. On my Glock 19, given the size of my hands, I personally find the fuller (higher) switches more comfortable. But again—it all comes down to personal preference and the type of firearm you’re using. The switch click is distinct and audible.

The TLR-7 HL-X is equipped with a strobe function, which can not only be turned on or off as needed, but also enabled or disabled entirely. The former is simple—just two quick clicks followed by a single one—but the latter is a bit more involved and requires a series of somewhat odd steps. Thankfully, it’s all clearly explained in the user manual. It’s definitely manageable, and besides, it’s not something you’ll need to do often. The same goes for switching between the 500- and 1000-lumen modes—you’ll want to consult the manual for that too. But thanks to this detailed procedure, at least you can be sure you won’t change modes by accident.

If you’re looking to have a mobile sun mounted on your firearm, the Streamlight TLR-7 HL-X is exactly what you need. And if, deep down, firearms aren’t your thing, there’s still a chance you won’t even have to use one—with a light like this, your opponent might just be overwhelmed by sheer lumens alone.

But seriously.

Its impressive specs make it a perfect fit for professionals in law enforcement or other uniformed services. And whether you’re a duty officer or a civilian, you’ll surely appreciate features like flexible power options and the convenience of USB recharging—say, from a power bank. Buying this model, with its distinctively elongated head, means you’ll need to find a holster that fits. Unfortunately, all sources confirm that holsters made for the similar-looking TLR-7A are not compatible with this version. The flashlight is compatible with many popular firearm models. You can find the full compatibility list on the manufacturer’s website here: https://www.streamlight.com/resources/learning/tlr-fit-guide. It’s definitely worth checking before you buy. For subcompacts, there’s a dedicated version: the TLR-7 HL-X SUB, which, due to its smaller size, comes with slightly reduced—or simply different—performance specs. You’d want to sum this up by saying ‘buy it sight unseen!’ — but the flashlight might take offense.

Special thanks to Streamlight for providing the TLR-7 HL-X for testing.

Sponsored collaboration. Product testing is conducted independently, and all opinions are solely those of the author. The advertiser has no influence over the content of the review.