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The Streamlight TLR-1 HL is different from the typical tactical flashlight we reviewed on the site. What separates the TLR-1 HL to the others is that it’s specifically designed to be mounted onto a firearm’s accessory rail - unlike it’s handheld counter parts like the 88040 ProTac HL.

The HL model securely fits many firearms and includes keys for the following weapons:

  • Glock-style
  • Picatinny
  • Beretta 90two
  • S&W 99
  • S&W TSW

Conversely, it mounts directly onto Glock-style and MIL-STD-1913 Picantinny rails.


Light Output and Runtime

  • Output: 800 lumens
  • Intensity: 15,000 candela per lumen (cd/lm)
  • Maximum Runtime: 1.25 of regulated run time and 1.75 hours to 10% output
  • Throw: 245 meters

This rail-mounted flashlight provides a single light output of 800 lumens.

The TLR-1 HL features a shock-proof, C4 LED bulb witha 50,000 hour lifetime. It has solid-state regulation for a consistent beam with no dips in output.

Switches / Modes

Compared to other tactical flashlights in the market, the TLR-1 HL is minimal with its modes, providing only a programmable strobe that can be enabled or disabled. You can access it by double tapping the momentary switch.

The LED has TIR optics to produce a wide-beam perfect for illuminating peripherals.

Material and Durability

Size and Weight

  • Weight: 4.2 ounces (118.50 g)
  • Length: 3.390 inches (8.61 cm)
  • Dimensions: 3.4 x 3 x 3 inches

The Streamlight TLR-1 HL is a very light-weighted tactical flashlight suitable for handguns and ideal for rifles.

Water Proof / Water Resistance

Like other high-quality lights, the TLR-1 is IPX7 waterproof to 1 meter depths for 30 minutes.

Impact Resistance

There is no official documentation for its impact resistance, but its well-constructed body can withstand high impact hits, likely up to 1 meter.


The flashlight’s casing is very sturdy. It’s built with the 6000 Series machined aircraft aluminum. The lens is resilient to high temperature and shock with impact resistant. Temperature-wise, it’s capable of operating from -40 to +120 degrees fahrenheit.


The TLR-1 is compatible with two 3 Volt CR123A lithium (Li-ion) non-rechargeable batteries.

Batteries are included in the package if purchased from Amazon.


Only the batteries are included in the package. However, you can purchase additional accessories like:

  • Blue/Green/InfraRed/Red filters.
  • Mag Tube / M16 (AR-15) Rails
  • Remote Switches
  • Holster and Vertical Grips

Conclusion: Our Streamlight TLR-1 HL Review

The Streamlight TLR-1 HL is a great rail-mounted light. It’s light-weight makes it compatible with handguns and ideal for rifles - having its user incredibly agile in tactical situations.

The flashlight is perfect for law enforcement, security, military and home defense. If you’re strictly looking for a gun-mount, we highly recommend the Streamlight TLR-1 Hl.

Hurry and buy the Streamlight TLR-1 HL today