some were I saw that some states dont allow you to switch caliburs other than what is marked on the reciver. Has anyone else heard of this and if so do you have any links. I see that most companys are marking there recivers as multipul now. Is there a legal reason for this?
thompson contenders, just change barrel parts. it still wont chane the primer strike thou.
Im looking for spacifics as to what states dont alllow swapping uppers of differant caliburs. I saw it some were but cant find it now
but what if you bought the gun already changed and unregistered?