I don't have any other link to the seller but he looks legit and the price is surely proper thinking about the scope mount. He seems to acquire the many components including the mounting block and spacer. Signal-0 Productions Firearms Coaching check it out at Sign-0.com Robert A. Sadowski has https://mk14mod0forsale21428.blogsidea.com/35743534/the-5-second-trick-for-sage-stocks