Borderlands 3 guide: When do you get new weapon slots?

Once you've completed Beneath the Meridian you'll have the fourth weapon slot You should complete this around level 20

Unfortunately there isnt any trick to enable the additional 3rd and 4th weapon slots unless those other characters join a point in the story

borderlands 3 artifact slot unlock After that you fight Mad Mel Just turn in that mission by following the checkpoints into New Haven and you have your 4th weapon slot

borderlands 2 slot machine cheat Unfortunately there isnt any trick to enable the additional 3rd and 4th weapon slots unless those other characters join a point in the story