Streamlight TLR-8 Sub Green Laser 500 Lumens, 141m Beam, Fits Glock 43x/48 w/Rail, Black

The Streamlight TLR-8 Sub with green laser is a compact rail-mounted tactical light purpose-built for subcompact handguns like the Glock 43X and 48 with rail. If you carry a slim, concealable 9mm for duty or personal defense, this light-laser combo gives you a serious edge in low-light encounters without bulk. At 2.77 ounces and 2.51 inches long, it adds virtually nothing to your carry footprint while delivering 500 lumens of white LED output and a green laser visible in daylight—both powered by a single CR123A battery.

Streamlight engineered the TLR-8 Sub around real-world carry and deployment. The ambidextrous rear paddle switches let you choose activation to match your grip preference, and the rail clamp grabs your Glock's accessory rail securely without requiring you to handle the muzzle area during installation or removal. A bezel-mounted safe-off feature prevents accidental firing of the light in a holster or bag, preserving battery life when you don't need it. The anodized aluminum body is tough enough for duty use and rated IPX4 for water resistance.

Runtime reflects two distinct use modes: run the light alone or light-plus-laser together for 1.5 hours on a single battery, or activate laser-only for 60 hours of standby capability. The included strobe function is user-selectable, adding a tactical edge for disorientation or signaling in emergency scenarios. This is serious gear for serious carriers—effective, reliable, and lean.

Key Features

• 500-lumen white LED with 141-meter beam for clear target acquisition in darkness
• Green laser visible in daylight conditions for rapid aiming and shot placement
• Ambidextrous rear paddle switches—customize activation to your shooting hand and grip style
• Secure rail clamp for Glock 43X/48 rail models; fits other subcompact platforms with 1913 short rails
• Safe-off bezel feature prevents accidental activation and battery drain
• User-enabled strobe mode for tactical situations
• Anodized aluminum construction rated IPX4 water-resistant
• Includes CR123A lithium battery and is ready to mount straight out of the box

Specifications

Frequently Asked Questions

Will the TLR-8 Sub fit my Glock 43X or 48?

Yes. This light mounts directly to the integrated accessory rail on Glock 43X and 48 rail models via secure clamp attachment. It also fits other subcompact handguns with 1913 short rails, including SIG P365/P365 XL, Springfield Armory Hellcat and XD models, Smith & Wesson M&P M2.0 subcompact, Beretta Px4 Storm subcompact, and HK45 compact.

What's the difference between the green laser and red laser versions?

Both use the same light and mount, but the TLR-8 Sub with green laser (as described here) offers superior visibility in daylight conditions compared to red. The green wavelength is simply brighter and easier to see in bright ambient light.

How long does the battery last?

A single CR123A lithium battery (included) runs the light alone or the light-plus-laser combination for 1.5 hours. If you use the laser only—without the LED—the same battery lasts 60 hours. Battery life also depends on strobe use and activation method.

Is the TLR-8 Sub waterproof?

It is rated IPX4 water-resistant, meaning it resists splashing from any direction. This rating is suitable for weather exposure and incidental water contact but not submersion or prolonged water exposure.