ATN Quick Detach 30mm Scope Mount - Black Hardcoat Anodized - The ATN Quick Detach and Release Mount is a great addition for your new X-Sight 4K, ThOR 4 or ThOR LT. Take advantage of the profile manager of your QD scope rings, move it from platform to platform and still retain zero. Feature Hardened Aluminum All Works with 30mm tube scopes Adjustable quick detach mechanism Perfect for X-Sight 4K Series, ThOR 4 Series or ThOR LT Series Retain Zero when swapping between platforms