These are AI Style Magazines Aaron. They seem to be Proprietary. Many are listed at the 1st link here : google.com/search?source=hp&ei=RobwW9qHD4_X5gL4oJnICQ&q=ruger+scout+308+magazines&btnK=Google+Search&oq=ruger+scout+308+magazines&gs_l=psy-ab.3..0i22i3
