I don't have any other relationship to the seller but he appears to be legit and the price is definitely suitable thinking about the scope mount. He appears to own all the areas including the mounting block and spacer. Signal-0 Productions Firearms Coaching test it out at Sign-0.com Robert A. https://trentongtenx.dailyhitblog.com/34949493/what-does-mk14-ebr-for-sale-mean