Opsmen earmor M11 ARC helmet tactical rail adapter

OPSMEN M11 ARC Helmet Rails Adapter Attachment Kit Features : • QUALITY IS 100% BRAND-NEW GUARANTEED   • Can match with full range of FAST helmets, ACH helmet, MICH helmet as long as they have ARC rails on side. Compatible most of the headsets on the markets The Earmor ARC Helmet Rails Adapter Attachment Kit will allow your Earmor headset be attached to the ARC Helmet specifically. This means the headset will hover just over your ear, not completely covering compatible with m32 and m31