SKU: 10580781437
arc rail goggles

arc rail goggles Ops-Core Railink Helmet

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Description

arc rail goggles Ops-Core Railink HelmetOps Core FAST SF Gen 2 NIJ IIIA Helmet w Powered ARC Rails. The Ops Core RAILINK Enabled FAST SF is the lightest ballistic helmet system made by Ops Core. It has special side rails that power your gear from a single battery pack, getting rid of extra batteries and messy wires. Power All Your Gear from One Pack: Run your night vision, lights, and other tools from a single battery source. This system gets rid of cable clutter and the need to manage

Ops-Core FAST SF Gen 2 - NIJ IIIA Helmet w/ Powered ARC Rails.

  • The Ops-Core RAILINK Enabled FAST SF is the lightest ballistic helmet system made by Ops-Core. It has special side rails that power your gear from a single battery pack, getting rid of extra batteries and messy wires. 
  • Power All Your Gear from One Pack: Run your night vision, lights, and other tools from a single battery source. This system gets rid of cable clutter and the need to manage multiple battery types for your accessories.
  • Cut System Weight by 10%: This helmet is 10% lighter than previous models, which helps lower fatigue during long operations. The shell itself weighs just 1.23 pounds (for a size Large).
  • Stops 9mm Handgun Rounds: The helmet gives you trusted NIJ Level IIIA protection. It is built to stop 9mm rounds traveling at 1,200 feet per second, helping to keep you safer in dangerous situations.

Ops-Core FAST Geb 2 with Railink arc Review

What are some common accessories to add to the Ops-Core Fast Gen 2 w/Railink Arc?

System Installation & Mounting

  • Ops-Core RAILINK® Ballistic Hardware Kit: Provides the necessary helmet-specific components to mount your RAILINK system to your helmet. This kit is required for proper installation of the RAILINK Power and Data ARC Rails.

System Power Management

  • Ops-Core RAILINK® Battery Pack+: Serves as the central power source for the entire headborne system, attaching directly to the RAILINK hotshoe on the rear of the helmet. It distributes power to all connected accessories and NVGs, featuring a main ON/OFF switch to control the entire RAILINK network.

Illumination & Identification

  • SureFire® HL2-A Light: Integrates with the helmet system as a rail-mounted flashlight for primary illumination, allowing the operator to navigate and identify targets in low-light conditions without occupying their hands.
  • Princeton Tec™ Switch® MPLS: Enhances the system by providing a low-signature task light for close-up administrative functions. It mounts directly to the rail, offering focused light for map reading or equipment checks.
  • CORE Survival HEL-STAR Rail Strobe®: Completes the system by adding a critical personnel identification and signaling capability. This strobe attaches to the ARC rail to provide a visible or infrared signal for tracking teammates and preventing friendly fire incidents.

Ops-Core FAST SF Next Generation headborne system with Railink Features & Specifications

The Ops-Core RAILINK Enabled FAST SF Helmet System provides ballistic protection in the lightest-weight package offered by Ops-Core. Its core value comes from the integrated RAILINK system, a first-of-its-kind solution that powers accessories directly through the ARC rails from a single, central battery. This unique differentiator eliminates the need for multiple external batteries and reduces cable clutter, which lowers the overall weight and removes snag hazards.

Key Features

  • RAILINK Power and Data ARC Rails: These rails combine the industry-standard dovetail track for mounting accessories with an integrated network that transmits power and data.
  • Single-Source Power: Dedicated circuits provide power to all connected systems, including NVGs and other accessories, from one central battery pack, simplifying battery management.
  • Smart Node Connections: Accessories connect to the system through Smart Nodes, which provide both a secure mechanical attachment and an electronic link for power.
  • Lightweight Ballistic Protection: The FAST SF shell offers NIJ Level IIIA protection against 9mm rounds with a shell weight of just 1.23 lbs for a size Large.
  • LockDown Liner System: A user-customizable liner with moisture-wicking fabric and strategically placed pads encourages airflow and comfortably supports heavy equipment.
  • Universal NVG Interface: The power interface supports a wide variety of night vision systems, including newer models that require both power and data to operate.
  • Reduced Snag Hazards: Cables for power and data are routed internally within the RAILINK system, which removes the need for externally routed wires.
  • Forward and Backward Compatibility: The RAILINK system is designed to be compatible with all FAST high-cut helmet systems.

Specifications

  • Ballistic Standard: NIJ 0106.01 with NIJ 0108.01 Level IIIA (9mm FMJ @ 1,400 ft/s).
  • Total System Weight (Large): 2.43 lbs (1104g).
  • Shell Weight (Large): 1.23 lbs (557g).
  • Shell Thickness: 0.170" (4.32mm).
  • Operating Temperature: -40°F to 130°F (-40°C to 55°C).
  • Storage Temperature: -40°F to 160°F (-40°C to 71°C).
  • Waterproof Rating: IP67, tested at 1 meter for 1 hour.
  • Environmental Standards: MIL-STD-810H rated for saltwater immersion and impact.
  • EMI Testing Standard: MIL-STD-461G.
  • Supported NVGs: Includes PVS-31A, BNVD-1531, GPNVG-18, Kestrel, F-Pano, F-Bino, and BNVD-F.

What's in the box of the Ops-Core Fast SF Next Generation Headborne System?

  • (1) Ops-Core FAST SF Helmet System, fully assembled with the following pre-installed components:
  • (1) FAST SF Ballistic Shell
  • (1) Lightweight Modular Bungee Shroud (MBS)
  • (1) Set of RAILINK Power and Data ARC Rails
  • (1) LockDown™ Liner System
  • (1) Head-Loc® Flex Chinstrap
  • (1) Set of longer adjustment screws for the RAILINK rails (only included with helmet sizes XL and XXL)

Powered Ops Core FAST SF 2.0 helmet FAQs

What is the RAILINK system and why is it special? 

The RAILINK system is a set of special rails on the side of the helmet that can power your gear. You can plug in things like your night vision and lights directly to the helmet. All of your gear gets power from a single battery pack on the back of the helmet. This is special because you don't have to carry extra batteries for each device, and you won't have messy wires that can snag on things.

Is the Powered Ops Core Fast SF Gen 2 helmet heavy? 

No, this is the lightest ballistic helmet system made by Ops-Core. It is 10% lighter than older models, which helps you feel less tired during long missions. The shell for a size large helmet weighs only 1.23 pounds.

What kind of protection does the Ops Core Fast SF 2.0 + Ops-Core Railink offer? 

This is a ballistic helmet that helps keep you safer. It is built to NIJ Level IIIA standards and protects against 9mm handgun rounds.

Will my current night vision (NVG) and other gear work with this helmet? 

Yes, the Ops-Core Fast SF Gen 2 with power and data arc rails is made to work with a lot of different gear. The RAILINK system has a universal connection for a wide array of night vision systems, including the PVS-31A, GPNVG-18, and BNVD-1531. It also works well with headband communication systems without getting in the way. The RAILINK system is also designed to be compatible with all FAST high-cut helmet systems.

Is the Ops Core Fast SF 2.0 + Railink comfortable to wear for long hours? 

Yes, it is designed for comfort. The helmet has a special LockDown Liner System with pads that you can move around for a perfect fit. The liner is made with moisture-wicking fabric to help keep you dry, and it has spaces to let air flow through. It is also very stable and supports heavy gear like NVGs comfortably.

Ops-Core Railink Helmet for Sale

The Ops-Core RAILINK Enabled FAST SF Helmet System is available for purchase through Atomic Defense. Atomic Defense is an authorized and trusted dealer of Ops-Core products, providing customers with top-quality gear and reliable customer service.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10580781437

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Matthew
Louisville, US
★★★★★ 3
Great Cooling, But Lacking Support
Color: White, Size: Standard
I have to agree with some of the other reviews—this pillow just doesn't offer enough support. It initially feels plush and inviting, but after a minute or so, your head sinks too far and ends up pressing against the underlying latex, which has a rubbery, somewhat uncomfortable feel. It might be an excellent fit for those with smaller frames, but for me, it fell short in terms of proper neck and head support. On the plus side, the cooling aspect is impressive. It's cool to the touch and noticeably more breathable than many pillows I've tried. I've seen some complaints about it not staying cool all night, but honestly, no pillow really does. Casper's claim of "12 hours of cooling" seems like marketing optimism—your body heat will eventually warm up any pillow, no matter how well-designed. That’s just basic thermodynamics. All in all, it's a well-made pillow with excellent cooling performance. If you have a smaller frame, this could be a great choice. Unfortunately, it just didn’t work for my needs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2025
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Verified Purchase
BP
Dallas, US
★★★★★ 1
Is this a joke?
Color: White, Size: King
I don't usually write reviews, but I have to for this pillow. The pillow measures 16" x 32", not 18" x 34" as stated in the description. That's not really a big deal, but they should have the correct size in the description. The problem with this pillow is the total lack of support. My head falls through this pillow within a half hour of laying my head on it. This causes me neck pain and I have to switch to my old pillow in the middle of the night. I'm a bigger dude that's 6'3" and I only sleep on my side. I thought this pillow would be great based on the other reviews that stated it works for side sleepers. I would describe this pillow as a greatly overpriced marshmallow. The pillow does have some decent cooling properties, but they don't last all night as described. This pillow would probably work great for someone who sleeps on their stomach. I wouldn't recommend this pillow to a bigger dude that's a side sleeper. Note: I did find a great Casper pillow that works for me. I bought the Casper Sleep Essential Cooling Foam pillow on Amazon. It's the one that's all foam with a phase change layer to help with cooling. The pillow has great support and it doesn't cause me any neck pain. The best part is the price, it cost less than half the price of the Hybrid Snow Pillow. I hope this review helps someone.
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Reviewed in the United States on July 28, 2024
K
Verified Purchase
K. Farnsworth
Lexington, US
★★★★★ 5
A Near Perfect Pillow
Color: White, Size: King
I was hesitant to order this pillow because it was so expensive. I was looking for a cooling pillow and after a previously purchased pillow lost it's "cool" after a few nights of sleeping on it, I was concerned that this Casper pillow would do the same. The pillow is so comfortable. My only complaint is that it does not seem to hold the coolness all night. I find I need to flip the pillow over part way through the night. But, when I flip the pillow, it is perfectly cool. The pillow is supportive without being too firm. I love this pillow!
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Reviewed in the United States on June 19, 2024
J
Verified Purchase
J&S
Waukegan, US
★★★★★ 2
Not quite right….
Color: White, Size: Standard
I’m torn on this pillow. While it does have merit, there were some serious “flaws” for me. I am a side sleeper and I’ve been on the hunt for a neck supportive pillow. This didn’t have that for me. The night started with good possibility, but I woke up several hours in and found the pillow flat where I was; all the filling had moved to the top. It IS very cool to the touch and I could definitely tell it was cool while sleeping on it. The loft of this pillow is fine, but not stupendous, and the softness was pretty great. Overall, just not the best. If the filling had stayed put through the night, I might’ve kept, but as it was, I returned.
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Reviewed in the United States on September 22, 2025
T
Verified Purchase
Theresa
Waukegan, US
★★★★★ 5
Does the job!
Color: White, Size: Standard
This pillow offers superb support and stays cool. It replaced my previous one from a couple years back. I did notice that, like so many things, it isn’t as full as my previous one but still offers a good nights rest for this side sleeper.
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Reviewed in the United States on February 3, 2026

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