Joe, this rifle uses the MagPul AICS 7.62x51/308Magazines here : budsgunshop.com/catalog/product_info.php/products_id/714015867/MAGPUL+PMAG+10+AC+7.62X51+AICS+10RD or budsgunshop.com/catalog/product_info.php/products_id/714015726/MAGPUL+PMAG+5+AC+7.62X51+
