This night vision mount is specifically designed for FAST L4 G24 Dark Earth helmets, allowing for easy attachment to the night vision mount slot on Ops Core and similar helmets. Made from durable aluminum, it offers a fully adjustable design to provide a wide range of angle and height options. It is compatible with replica or dummy night vision devices of type PVS15/18, but the manufacturer does not guarantee compatibility or appropriate strength with original devices. The user is responsible for assembling the genuine device at their own risk.