Est. 2014 | USA Small Business
Ops-Core Railink Helmet | Lightweight NIJ IIIA w/ Power & Data Rails
FREE Delivery & Lifetime Warranty
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Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
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- Shipping times are estimations. Items that are custom, delayed, rejected, or affected by other acts of god will take additional time.
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Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
- Starting a return/exchange: Click here
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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.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Lifetime Warranty: Atomic Defense will always stand behind our products. Our lifetime warranty covers any defects and ensures that you never need to worry about parts or the quality of your orders for the entire life of the product.
- Wrong Items: Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We may deduct refurbishing costs, plus materials and labor, of used products or modified products. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and will be deducted from Buyer's account.
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Start a Return or Exchange
Visit our return portal to begin the self-serve return/exchange process.
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General Products:
- Must be within 30 days of package delivery.
- No need to purchase a shipping label! Atomic Defense will give you a pre-paid one.
Ballistic and Bulletproof Products:
- Most companies will not accept any returns on ballistic or bulletproof items. We offer recertification as a courtesy.
- Must be within 30 days of package delivery.
- No need to purchase a shipping label! Atomic Defense will give you a pre-paid one.
- A re-certification cost of 20% applies to returns of ballistic and bulletproof products.
- The 20% recertification covers the cost of ensuring the armor is safe. Usually starting with X-Raying the armor for cracks underneath the coating, inspection for damage, and water damage testing. Without this 20%, we would not be able to offer returns on armor.
- There is no way for us to know how or if it was used once shipped, and we have to consider them unsafe until retested, inspected and certified.
- Exchanges and non-ballistic products do not have a re-certification cost.