1) PVS-14 Optics allow the use of more accessories, a purpose built dual tube bridge assembly that is lighter than a PVS-14 Dual Bridge Adapter.
2) Radial interpupillary adjustment for on the fly adjustment as well as an extended sway radius for stowage.
3) Individual dovetail mounts for each tube so that they can be easily removed for monocular operation or to attach one tube to a weapon system