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. Burris BTC Thermal Sight External Eyepiece Adapter/Magnifier 626604