Earlier this year, Streamlight has expanded its PROTAC family with two new gun-mounted tactical lights, the PROTAC Rail Mount 1 and PROTAC Rail Mount 2.
The new, low-profile models both feature rugged, integrated rail clamps that securely attach to rifles, carbines and sub-machine guns with a MIL-STD-1913 (Picatinny) rail. Both lights come with both remote pressure and standard push-button tail switches, and the Rail Mount 1 offers the added convenience of using either one lithium or one easy-to-source AA alkaline battery.

The new lights use a high power C4 LED to deliver blinding white light and a TIR optic that provides a concentrated beam with optimum peripheral illumination. Offering high, low and strobe settings, both lights feature a TEN-TAP programmable switch that allows user selection of one of three different programs: high/strobe (factory default); high only; or low/high.

These two lights are the first in the company’s PROTAC series of tactical lights that are specially engineered to mount to Picatinny rails, making them ideal for tactical and military users when conducting manoeuvres or search operations, or performing other tasks under low-light conditions. They are both lightweight and compact, highly durable and rugged. Having run both through our rigorous testing, they survived a drop test, without giving away any light and offer tremendous value with their many features. The light they give is very intense and bright, making it an excellent tool.

On its high setting, the PROTAC Rail Mount 2 delivers 625lm, 22,000 candela, a 297m beam distance and a run time of two hours. It operates from two 3V CR123A lithium batteries.

The “dual fuel” PROTAC Rail Mount 1 accepts either one 3V CR123A lithium battery or one AA alkaline battery, depending on availability or user preference. When using a lithium battery, it delivers 350lm and 12,000 candela over 219m on high. With an alkaline battery inserted, it provides 150lm and 4,950 candela over 141m on high. Run times for the high setting are one hour and 45 minutes with a lithium battery, and one hour and 30 minutes with a AA alkaline battery.

Both lights mount to a broad range of weapons safely and securely by means of a one-handed snap on and tighten interface that permits users to keep their hands away from the gun muzzle. Each light can be operated with either a multi-function, push-button tactical switch or a dual remote pressure switch with latching push-button. Both switches allow for one-handed operation of the momentary, variable intensity or strobe settings.

The new models are fabricated from 6000 series machined aluminium with a black anodised finish and feature a high temperature, impact-resistant Boro Float glass lens. The PROTAC Rail Mount 1 measures 4.25in in length and weighs 4.3oz with an included CR123A battery and 4.5oz with an included AA alkaline battery. The Rail Mount 2 measures 5in in length and weighs five ounces.

With the standard push-button switch installed, both lights are rated IPX7 for waterproof operation to 1m for 30 minutes; the lights are IPX4 rated for water-resistant operation when the remote switch is installed. Extensively live fire tested, the lights feature an impact-resistant construction and an operating temperature of -40°F to +120° Fahrenheit.

First PROTAC lights with integrated mounts to fit picatinny rails. (Photo: Mönch/DPM)

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