Unity Tactical MARK 2.0 Modular Attach Rail Kit

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Unity Tactical MARK 2.0 Modular Attach Rail Kit is available to buy in increments of 1

The Modular Attached Rail Kit (MARK) 2.0 allows the end user to seamlessly integrate their hearing protection and/or integrated communications into their headborne systems and improve the consistent seal of ear protection. The MARK 2.0 is compatible with most major helmet types and the most popular electronic hearing protection.  The MARK 2.0 Kit will work with 3M Peltor™ Headsets right out of the package.  If attaching to Sordin/MSA™ style headsets, use the SARA Adapters (sold separately).

The MARK 2.0 Kit comes with all hardware for attachment to Ops-Core ARC™ (and similar) and Team Wendy EXFIL™ Gen 2 and 3 rails.  An M-LOK™ Adapter Kit is sold separately for compatibility with MTEK and Hard Head Veterans brand helmets.  The wider ARC™ backers allow for more compatibility with non-standard ARC-type rails than the previous model.

MARK 2.0 Kit Includes

  • (1 Pair) Unity MARK 2.0 Adapter Assembly
  • (1 Pair) ARC™ Style Backer Plates + Hardware
  • (2 Pair) EXFIL™ Hardware

Ear Pro Compatibility

  • Most 3M Peltor™ COMTAC/SWAT-TAC/Sport-TAC/Tactical6 Headsets
  • Most MSA/Sordin Supreme Pro™ Headsets (w/ SARA Adapters -sold separately)
  • Most TCI Liberator™ Headsets (w/ SARA Adapters -sold separately)
  • Most TEA Hi-Threat™ Headsets (w/ SARA Adapters -sold separately)

Helmet Rail Compatibility

  • Ops-Core FAST™ Series Helmets
  • Ops-Core ACH-ARC™ Rails
  • Crye Precision AirFrame™ Rails
  • Galvion Caiman™ Rails
  • Galvion/Revision Viper™ Rails
  • Team Wendy EXFIL™ Rails (Gen2 / Gen3)


MARK 2.0 is the lowest profile headset helmet mount on the market.  Rather than using a traditional pop-in/pop-out mechanism, MARK 2.0 is simply pulled away from the ears and rotated backwards for stowage.  The aggressive wire forms ensure the strongest ear cup seal when engaged.

Constructed of impact-resistant polymer, the MARK 2.0 is designed for use in the most austere environments.


Weight 0.24 lbs.
Dimensions 1 x 7.2 x 8in
Color Black, FDE*

* “FDE” is used throughout our catalog to reference a spectrum of colors that include tan, brown, bronze, earth, and everything in between. Due to the chemical process that takes place during Type III Hardcoat, the final finish can vary from part to part (even parts done in the same batch). Therefore, your “FDE” product may vary from other parts from UNITY and other companies, and may vary from the photos shown online.

More Information
Manufacturer Unity Tactical
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