Helmet Rail Suspension Headset Support, 2pcs Helmet ARC Adapter Headphones Bracket Earmuffs Left and Right Side Attachments for Peltor Comtac - Walmart.com
Remora™ Mount for 3M Peltor™ - UNITY Tactical
ARC Helmet Rail Adapter for Peltor Comtac Sordin Howard Leight Headset Rotate | eBay