MOD Armory J Arm Adapter for Flir Breach PTQ136, MUM (Multi-Use Monocular), Mini-14, GT-14. Introducing the MOD Armory J Arm Adapter with NVG Dovetail Shoe or Bayonet Interface for Flir Breach PTQ136, MUM (Multi-Use Monocular), Mini-14, and GT-14. With a MIL-SPEC J Arm operators only have an option of the bayonet interface, limiting helmet mount choices. Available in both bayonet and dovetail, this friction set mount allows for fast, easy, travel from left to right eye, and back again. MOD Armory J Arm Adapter with NVG Dovetail Shoe or Bayonet Interface Specifications. Weight ...