Fusion Thermal Rusan Adapter 49mm Features The Fusion Thermal Rusan Adapter 49mm delivers consistent concentric alignment between the rifle scope's objective lens and the attached clip-on device helping reduce parallax and maintain image clarity. Its precision-machined construction supports proper eye relief and optic balance without adding unnecessary bulk to the setup. Designed for durability and dependable field use this adapter is well suited for hunting tactical and professional applications where a 49mm objective interface is needed. Ease of installation and secure retention make the 49mm Rusan Adapter a reliable solution for Fusion Thermal clip-on configurations requiring an objective interface for scopes with a 49mm bell. Fusion Thermal Rusan Adapter 49mm Specifications a fa fa Manufacturer: Fusion Thermal a fa fa Model: Rusan Adapter a fa fa Outside Diameter Fit: 49mm a fa fa Compatible Fit: Scope objective lens bells with 49mm outside diameter a fa fa Intended Use: Clip-on optic interface Rusan Adapter Fitment Chart