【Seamless Integration. Consistent Seal. Modular Strength.】 The Modular Attached Rail Kit (MARK) allows the end-user to seamlessly integrate electronic hearing protection and communications into their head-borne systems. Beyond organization, the MARK is engineered to improve the consistent seal of your ear protection, ensuring maximum NRR (Noise Reduction Rating) performance during active operations. Key Features & Tactical Benefits: 🔧 Universal Rail Compatibility: Designed to interface with every major helmet rail type, the MARK provides a streamlined, low-profile attachment solution that stays out of the way of other accessories. 🎧 Industry-Leading Headset Support: * 3M Peltor: Works right out of the box with provided hardware. Sordin/MSA: Fully compatible when paired with Unity SARA Adapters (sold separately). Howard Leight: Supports most popular electronic models. 🏗️ Built for the Austere Environment: Constructed from a proprietary impact-resistant polymer, the MARK system is designed to withstand the rigors of combat, high-heat, and heavy-impact scenarios. ⚡ Enhanced Seal & Comfort: The precision-tensioned wireforms ensure a consistent, firm seal against the operator's head, which is critical for both long-term comfort and effective communication clarity. Kit Includes: (1 Pair) Unity MARK Mounts (1 Pair) Selected Rail/Helmet Adapters (1 Pair) Headset Mounting Wireforms Complete Mounting Hardware & Instructions