EARMOR M16C New Headset Back Rail Mount Bracket ARC Rail Adapter for M31 / M32 / M31H / M32H HeadsetEARMOR M16C Headset Rail Mount Bracket 360 Rotatable ARC Rail Adapter for MOD3 Series M32 M31 M32H M31H Headset EARMOR M16C ARC Helmet Rails Adapter Attachment Kit Attached a replaceable bracket is designed to be installed on the helmet rail for the convenience of users. In addition, equipped with the new helmet rail mount kit (M16). The back turning 360 rotatable structure and modular design also can be equipped with the ARC rail as new way of