Streamlight Sidewinder Stalk Helmet Light with ARC Rail Mount

• Flexible stalk light head: The adjustable stalk lets the beam be aimed exactly where it is needed without repositioning the helmet, which is useful for map reading, equipment checks, and close task work.
• ARC rail mounting system: The supplied ARC rail mount gives a secure, low-profile fit on compatible helmets, helping keep the light stable during movement while leaving both hands free.
• Multi-fuel power compatibility: It runs on either a CR123A or AA battery, making battery sourcing easier in the field and giving more flexibility across different loadouts.
• Rotary selector with adjustable intensity: The rotary dial switch is designed for deliberate mode selection, helping reduce accidental changes while allowing brightness to be matched to the task.
• Polymer waterproof housing: The lightweight polymer body and waterproof construction support dependable use in wet weather and demanding outdoor conditions without adding unnecessary helmet weight.

About the Streamlight Survivor Series

Streamlight Survivor is a family of right-angle LED flashlights developed for professional users who need dependable hands-free lighting in demanding environments. Within Streamlight’s broader lighting range, the series is associated with task-focused designs for safety, industrial, and emergency use, with models built around practical carry options and straightforward operation. The family includes Survivor, Survivor X, and Survivor Pivot variants, along with both rechargeable and alkaline-powered configurations.

A defining trait of the series is its emphasis on body shapes and mounting solutions that support work rather than simple handheld use. Depending on the model, the range includes features such as a low-profile bezel, a spring-loaded gear clip, and a D-ring for forward-hanging carry. Streamlight also lists ATEX-rated models within the Survivor family, showing the series’ focus on professional environments where reliability and safe operation matter. In practical terms, the Survivor line is built for users who need durable LED lighting, secure attachment options, and a form factor that stays manageable when worn on gear or used during active work.

About the Streamlight Sidewinder Stalk Helmet Light with ARC Rail Mount

The Streamlight Sidewinder Stalk Helmet Light with ARC Rail Mount is built for hands-free helmet lighting where beam control, compact carry, and mounting security matter more than raw output alone. As a helmet light with a flexible stalk, it is designed for close and intermediate tasks where the user needs to direct light precisely without shifting head position or removing a hand from equipment. That makes it well suited to navigation, equipment handling, and low-profile task lighting in the field.

Its 76.00 Lumen output is paired with adjustable intensity, allowing the light to be set for either clearer task illumination or more restrained output when preserving discretion and battery life is important. The rotary dial switch supports deliberate mode selection, which is especially useful on a helmet-mounted light where accidental changes are more disruptive than on a handheld model. The ARC rail mounting arrangement gives this version a direct fit for compatible helmet systems, helping keep the light close to the helmet and reducing snag risk.

The body is made from polymer, which helps keep weight down while maintaining durability for regular field use. Power comes from either a CR123A or AA battery, a practical advantage for users who may need to work with whatever battery type is easiest to source. With a stated 5.60 h battery life and waterproof construction, this Streamlight helmet light is configured for sustained hands-free use in wet weather and general outdoor service conditions.

About Streamlight

Streamlight was established in 1973 in King of Prussia, Pennsylvania. The company is headquartered in Eagleville, Pennsylvania, United States, and focuses on the design, manufacture, and marketing of lighting products as well as weapon-light and laser-sighting devices. Its catalog covers a broad professional range, including flashlights, headlamps, weapon-mounted lights, lanterns, and scene lighting.

In this product category, Streamlight is particularly known for building practical lighting tools for duty, industrial, outdoor, and tactical use. The company’s portfolio includes well-known lines such as TLR and ProTac, and it has long worked with both rechargeable lighting products and LED lighting. That background is relevant to helmet-mounted and hands-free lights, where compact construction, dependable switching, and field-ready power options are essential. Streamlight moved its headquarters and production facilities to Norristown, Pennsylvania, in 1977, then to Eagleville in November 2001.

Main Features

• Product type: Helmet Light
• Build type: Helmet
• Emitter type: LED
• Illumination strength: 76.00 Lumen
• Adjustable intensity: Yes
• Switch type: Rotary Dial Switch
• Material: Polymer
• Power supply: CR123A or AA
• Battery life: 5.60 h
• Waterproof: Yes
• Manufacturer: Streamlight
• Series: Streamlight Survivor

Warranty

1 year. Streamlight states a 1-year limited warranty for the Sidewinder Stalk product line.

In the Box

• Streamlight Sidewinder Stalk helmet light
• Helmet clip
• ARC rail assembly
• ARC rail mount
• (1) CR123A battery
• (1) AA alkaline battery