I haven't any other connection to the seller but he would seem legit and the value is unquestionably proper considering the scope mount. He appears to get every one of the components including the mounting block and spacer. Sign-0 Productions Firearms Instruction check it out at Signal-0.com 1913 Picitanny rail https://andrerndum.blogrenanda.com/35477495/detailed-notes-on-sage-sks-chassis