Coilguns are always a tradeoff between length (=speed) and projectile mass...
High mass coilguns like the one you suggested might be a little bit slow, but if they hit they should have an excellent armor crushing ability (because of their high momentum). *G*
High mass coilguns like the one you suggested might be a little bit slow, but if they hit they should have an excellent armor crushing ability (because of their high momentum). *G*