Microscope Slides & Cover Slip. May not match the actual item listed. This listing is for Model # DEMO. Wilcox NVG Mount for PVS-7B. DEMO, Wilcox NVG Mount for PVS-7B, Black, 28300G11-B. Keep your night vision goggles safely secured to your helmet using the Wilcox NVG Mount for PVS-7B. These Night Vision Accessory developed by Wilcox utilize a horn interface shoe to firmly attach the AN/PVS-7B/D and AN/PVS-14 to a wide variety of combat helmets. The Wilcox Tactical NVG Mount is designed to prevent breaway of the mount, greatly reducing the risk of losing your NVG. Aerospace grade ...