Va. Machine guns happen to be illegal in the U.S. for decades, but lately the country has observed a fresh surge of weapons effective at automatic fireplace. Small pieces of plastic or metallic used to convert legal guns into selfmade machine guns are helping to gas gun violence. (AP Photo/Alex https://machguns.com/product/lot-1442-hr-model-50-reising-class-iii-nfa-cr-fully-transferable/