The Scope Adapter Block is offered specifically for the Spot Hogg Fast Eddie 3, 5 and 7 Pin sights in order to use the UV3 and the UV3XL Scopes. The Scope Adapter Block allows for the proper fitting of the UV3 Scope Rod on the 3, 5 and 7 pin Fast Eddie Series Sights. The Scope Adapter Block is NOT required for the single and double pin Fast Eddie Series Sights to use the UV3 and UV3XL Scopes.
