Maelstrom weapons clarifying?

Mettaricana

So do the maelstrom weapons drop only at vr16 or at my char level and do they drop as an end reward or Just a chance of dropping after each round completed from the chests. Or is there something I'm missing. can they drop in normal and vet or just vet?

Baconfat79

They only drop from Vet mode, and never from the first stages. There is a chance (not guaranteed) that one will drop from the final stage. If you are in the top of the weekly leader boards, you get one in the mail (100% chance). They only come in V16.