The Wilcox L4 G19 Universal NVG Fixed Vertical Position Mount for Various NVGs allows an operator to attach an AN/PVS-7A, 7C, 15, 15A, or 18 NVG to a helmet. Custom interfaces (sold separately) allow the additional mounting of an AN/PVS-7B, 14, or F5050 NVG. Vertical Height Adjustment screws are located on the front of the mount and allow the vertical height to be set to a fixed position that is customizable to meet the lowest profile for the operator.