They won't be banned in this round of legislation, you have at least another 16 months to get one. The Vz-58 does not have a grenade launcher or a flash suppressor in it's traditional configuration.
So hopefully they can get one for you, but banning it, nope, won't happen this time.
I'm working on the assumption that conservative interpretation of the copycat overall length requirement will occur while folded, ruling out that style of stock