Unlocking 2nd insured slot as a solo : rDMZ

You'll receive a small inventory of free contraband weapons when starting out, in addition to one insured weapon slot You can equip any weapon

Based on the Warzone 2 DMZ blog post from Call of Duty that was released on February 2, Insured Weapon Slots did not reset with Season 2 in DMZ

dmz second insured slot There's a new way to unlock your second and 3rd insured weapon slot in the DMZ mode of call of duty, and it just might be a lot faster than it used to

dmz 3rd insured slot How To Unlock 3rd Insured Weapon Slot in Season 5