The Burris BTC Thermal Sight External Eyepiece Adapter/Magnifier is designed to enhance the performance of your Burris Thermal Clip-On (BTC) sight. This adapter/magnifier provides additional magnification and improved clarity, making it easier to identify targets in low-light conditions. The durable construction ensures reliability in harsh environments, while the easy-to-use design allows for quick installation and removal. This accessory is an essential addition for hunters and tactical professionals seeking to maximize their thermal imaging capabilities.