I haven't any other connection to the vendor but he seems legit and the price is undoubtedly suitable contemplating the scope mount. He appears to own all of the parts such as the mounting block and spacer. Sign-0 Productions Firearms Education test it out at Signal-0.com Product prices mentioned in https://ebrchassisforsale08529.idblogmaker.com/29023243/detailed-notes-on-sage-ebr-stock