The Unity Tactical FAST Thermal Riser Black is designed to enhance your thermal optics setup, raising it to a 2.05" optical centerline when mounted on a UNITY CTM. This riser allows for compatibility with OEM 1.54" clip-on mounts, making it an essential accessory for anyone looking to optimize their thermal sighting system. Constructed from durable anodized material, it features a compact design and fits securely on Picatinny rails, ensuring stability during use. Upgrade your gear with this reliable solution for improved visibility in low-light conditions.