This will allow you to mount a RiX K2 or K3 to a G24 mount (not included) 

Specify right eye or left eye.

Elevate your tactical capabilities with this specialized helmet-mounted thermal arm designed for Rix Pocket K2/K3 Thermal Monoculars. This lightweight yet robust mount weighs just 1.43oz with hardware and provides a hands-free solution for thermal scanning operations. Crafted from high-strength PET-CF filament through precision 3D printing, this mount delivers exceptional durability for demanding situations. The mount seamlessly integrates with helmets featuring NVG mounts and Wilcox L4G24 or compatible systems (not included). With included adjustment hardware, you can fine-tune the positioning for optimal viewing angles and comfort. Keep your hands free for critical tasks while maintaining full thermal scanning capabilities. Note: This listing includes the thermal arm mount only - helmet, NVG mount, Wilcox L4G24 (or clone), and Rix Pocket Thermal are sold separately.

Not including the helmet, g24 mount, or K2/K3 but all available on the website