AGM J-Arm Dovetail Adapter with NVG Interface Shoe and automatic shut off and turn on feature (turn on works in combination with 6103DHMS1 AGM upgraded Dovetail Helmet mount with auto shut off/turn on for PVS-14 E It allows 130 degrees of motion accommodates right or left eye dominance. This Adapter is only compatible with the PVS-14 series of night vision monoculars and utilizes a dovetail interface.) AGM Global Vision AGM PVS14 J-Arm Dovetail Adapter 6103XDJ41