Technically I think it's called a bump stock. To me if walks like a duck and quacks like a duck it's a duck. The other obvious answer is to limit magazines to a reasonable number, let's say around 10. If he hd to pull the trigger for every shot and change clips after 10 shots I feel sure even gun enthusiasts would agree the death and wound toll would have been dramatically less because people would have time to run. Your question on non citizens got me thinking. I'm certain everything I written contains some errors. I also am certain if you apply that standard to Fox news your spend the rest of your life trying to count their misstatements.