I will let the experts speak for themselves. But if there is a way to do something, somebody will figure out how to get it done.
http://www.digitaltrends.com/cool-tech/zumwalt-destroyer-railgun/
http://thediplomat.com/2016/03/u-s-may-field-railgun-on-zumwalt-destroyer/
http://www.popularmechanics.com/military/a2289/4231461/
Luddite!
Oh no! The dreaded Popular Mechanix article....
Uh, no - mechanical engineer with 40 plus years in artillery and fire support.
I have some experience with rail gins - do you?
Or are you just reading comic books?