Feature: 1. Headset Accessory Bracket: This mount bracket is designed to be compatible with C Series headsets or for COMTAC3 headsets. 2. Multi Angle Rotation: Rotative design, can easy to modify the position of the headsets, save space while no using. 3. Compatible with Multiple Helmets: The rail mount kit comes with 2 sets of adapter accessories, compatible for OPS Core ARC and for Team Wendy M LOK rail. 4. Create More Space on Helmet Rails: By installing the mount on the rear of the helmet rail, it provides additional space on the top of the rail for other accessories. 5. Versatile Applications: Suitable for team activities, military games, shooting training, movie props and more. Specification: Item Type: ARC Rail Adapter Accessories Material: Nylon Weight: Approx. 190g / 6.7oz. Package List: 2 x Helmet Connector Arm 2 x Screw 1 x Hex Wrench1 x Cross Screwdriver2 x Helmet Adapter Plate 2 x Adapter Plate Accessory