Where's the exception?
"The firearm of the design commonly known as the American 180 Auto Carbine, and any variant or modified version of it, including the AM-180 Auto Carbine and the Illinois Arms Company Model 180 Auto Carbine."
"The firearm of the design commonly known as the American 180 Auto Carbine, and any variant or modified version of it, including the AM-180 Auto Carbine and the Illinois Arms Company Model 180 Auto Carbine."