/sci/ - Science & Math

Since this is a gun technology thread, I'd like to ask a somewhat related question as well.

It's about railguns. Now, as far as I've gathered, railguns generally work with electromagnets, but is there any particular reason why you couldn't build a rifle from just normal, extremely strong magnets? Line them up along the barrel of a rifle, then all you'd need to do is pull the trigger that'd bump the bullet in the chamber a bit forward so that the magnets start to push it forward. No explosion required, presumable not much noise produced. I figure the major con of this would be that you'd need to manually load a new round into the chamber, but for something like a sniper rifle, wouldn't this theoretically work just fine?

Terrible illustration related.