USGI Skullcrusher NVG mount and head harness provides hands-free use with night vision devices. Its fully-adjustable head-harness is secure, reliable, and manufactured to exacting tolerances. Compatible with many Night vision devices, PVS-7 & PVS 14 Bayonet locking mechanism requires USGI bayonet J arm for PVS-14 USGI pads included
