Norotos AKAII Helmet Mount PVS-7/14 & 15/18/21 Adapter Tan One Size. Accelerated tolerance control enabled through a commitment to engineering elegance secured through manufacturing precision maintains exceptionally stable longevity in a helmet mount. While stable and rugged the AKA II ensures a comfortable wear through Vertical Tilt Fore/Aft-Eye-Relief Adjustment maximizing a custom-fit user experience. The AKA II enhances safety through right eye/left eye viewing and stowage enabling continual peripheral viewing of NVG system in expanding user knowledge of potential hazards. Push Button Deploy/Stow Release ensures that the AKA II remains engaged even through increasingly high velocity situations while smooth and quiet upon engagement. Safe and easy tactile differentials on all operating levers knobs and buttons ensure a ruggedly durable flexibility including NVG safety release rotating knob or release button (dependent on socket). The AKA II supplies an ideal match between durable enduring Anti-Wobble stability in a platform that ensures pronounced flexibility in transitioning between HORN and DOVETAIL style NVGs. In so doing comfort of wear and longevity in performance contribute to a product resulting from extensive engineering combined with vast experience. Specifications for Norotos AKAII Helmet Mount for PVS-7/14 & 15/18/21: Manufacturer: Norotos Condition: New Additional Features: Dovetail PVS-15/18/21/31 and Horn PVS-7/14 Adapters Country of Origin: USA Features of Norotos AKAII Helmet Mount for PVS-7/14 & 15/18/21 Ergonomically Optimized Vertical Tilt and Fore/Aft-Eye-Relief Adjustment Levers for a custom-fit user experience NVG Safety Release Rotating Knob OR NVG Safety Release Button (dependent on socket) Push Button Deploy/Stow Release enables single-handed smooth & quiet NVG flip-up/flip-down Horn & Dovetail NVG Interchangeability with dual sockets for quick-change conversion Universal NVG Compatible for PVS-7B/D PVS-14 PVS-7A/7C PVS-15 PVS-18 PVS-21 & PVS-31 Auto Shut-Off when NVG in stow position or removed from mount Durable Helmet Mount Surface Finishes withstand extreme environmental and field conditions Safe & Easy Operational Tactile Differentials on operating levers knobs and buttons Package Contents: Norotos AKAII Helmet Mount for PVS-7/14 & 15/18/21 Norotos 1840010TAN-4: AKAII Helmet Mount PVS-7/14 & 15/18/21 Adapter Tan One Size