AGM NVG-50 Overview. Read more at TheFirearmBlog
For hands-free use of the NVG, it can be installed to many various mounts, such as the AN/PVS-7D, AN/PVS-14, AN/PVS-7A/C, AN/PVS-15, and AN/PVS-18 mounts, or to the mounts with mini-rail interface.
NVG Interface Shoe (preinstalled) is used for installing the NVG to a either standard dovetail type headset and helmet mount.
Bayonet/Horn Interface Shoe (included) is used for installing the NVG to a either standard bayonet/horn type headset and helmet mount.
NVG Interface Shoe with Connector (optional) is used for installing the NVG-40/NVG-50 to either standard dovetail type headset and helmet mounts and connecting the Battery Pack.
Mini-Rail Interface Shoe is used for installing the NVG to the mounts with mini-rail interface. Mini-Rail Interface Shoe is included to the optional AGM Goggle Kit W and AGM Helmet Mount