This plus consider the possibility of availability even if they aren't banned. Will you always be able to get mags for your Wilkinson Linda, Terry, or Diane? How about your M11-9 Lage 22? The Grand Power Stribog that you just bought and takes it's own unique magazine (yes, they did just announce a Glock mag version). Such firearms are useless without their magazines and if production of those magazines ever stops the prices will soon go places that you don't want to think about (I recall $100 for crappy 30 round aftermarket Ruger 10/22 mags during the ten year magazine ban).