Unity Tactical MARK + SARA Kit (Modular Attached Rail Kit Plus Sordin Arc Rail Adapters Kit): Ultimate Combat/Tactical Helmet Mounting System for Tactical Active Hearing Protection/Communications! (VIDEO) – DefenseReview.com (DR): An online
Hearangel ARC Rail Adapter Compatible with SORDIN Supreme PRO X Electronic Hearing Protection - - Amazon.com
Unity Tactical SARA Sordin Adapters — Affectio Outdoor Supply