This is a Scott Werx conv ersion to make the Ruger look like a Thompson M1A1. It has a 16 inch barrel and a Superior Concepts charging handle. This accepts all Ruger mags. The mag in the picture is the stock 10 round mag with an extension on it to look more realistic.Come s in this custom lighted display case to show it off. Can meet at Buckees in New Branfuls. Cash only no trades at this time. LTC,CHL&n bsp;or LEO perferred.