Twitch drops straight up unlock the guns when redeemed, not only skins. I am level 4 and now have every gun unlocked.

(I don't know if this is actually a bug or not but from the way i see it id say its actually a bug) basically when i redeemed the twitch drops i got all the guns unlocked, i only had upto modulator...

Twitch drops unlocked all of my guns. After I claimed my twitch drops, the skins seemed to have unlocked all of my guns