Assembly kit includes mounting hardward for use with Ops Core ARC Rail System. Kit provide a simple and adjustable solution for attaching ESS Influx series military goggles to any Ops Core or other ballistic helmets equipped with the Ops Core ARC Rail System. When seconds count, users will benefit from the advancements offered by the Influx Pivot goggle mount: easy donning and doffing, multiple secure stowage options, and rapid strap adjustment. The Influx Pivot replaces the Influx full elastic strap with two pivoting adjustable side-straps. The pivot system is engineered to be rapidly-affixed in the field while wearing helmet and gloves. Once mounted to its helmet-posts, the secured goggle can be repositioned or removed as needed. Compatible with all Influx series goggles.