Upcoming Review: ProTac® Rail Mount VIR® Pro USB

When the sun goes down, the tactical landscape shifts, and having the right illumination isn’t just a convenience—it’s a requirement. For years, Streamlight has been the choice for shooters who need professional-grade gear without the boutique price tag. Their latest release, the ProTac® Rail Mount VIR® Pro USB, aims to bridge the gap between standard white light and specialized night-vision operations.

Here is a sneak peek at what to expect in my upcoming full-length review of this new multi-fuel powerhouse.

1. The Power Specs: More Than Just Bright

At its core, the VIR Pro is a dual-spectrum beast. In the white-light department, it pushes a staggering 1,100 lumens and 40,000 candela. On paper, that’s a 400-meter beam distance—plenty for PID (Positive Identification) at the edge of most carbine ranges.

But the “VIR” in the name stands for Visible/Infrared. By simply toggling the head-mounted switch, you transition to a 940nm IR LED (2,300mW on high). This is where the light truly shines for the night-vision community. It provides enough IR flood to illuminate a dark wood line without the blooming effect that lower-quality IR illuminators often cause.

2. Clever Design: The “Jack-Cap” & Safety Cutoff

One of the most impressive physical features is the Jack-Cap® tail cap. It offers built-in switch redundancy, meaning you can use the standard push-button or plug in the included remote pressure switch without swapping parts.

Streamlight also addressed a major concern:-accidental white-light NDs (Negligent Discharges). The VIR Pro features an integrated cutoff that prevents the white light from activating if the selector is set to IR. When you’re running under goggles and need to stay dark, this safety feature is a literal lifesaver.

3. Reliability & Fuel Versatility

In the full review, I’ll be commenting on its Multi-Fuel capability. The USB model comes with the SL-B26® rechargeable battery pack, but it will also happily run on two CR123A lithium batteries.

• SL-B26 Runtime: 2 hours on High.
• CR123A Runtime: 1.5 hours on High.

The construction is classic Streamlight: 6000-series machined aircraft aluminum, IPX7 waterproof (1 meter for 30 minutes), and extensively tested. Whether it’s mounted to a Picatinny rail or using the included M-LOK® adapter, the mounting system is rock solid.

What’s Next?

Read my upcoming review to find out!