Wheeler-Dealer
Very rare1.3%GrindOptional
Exchanged 500 Military-Grade 5.45 rounds at Exchange kiosks.
Spend a cumulative 500 Military-Grade rounds (the premium ammo that doubles as currency) at trader Exchange kiosks - buy ammo, filters and gear. Racks up over one or two playthroughs; buying in bulk on the resource-rich Spartan run gets you there.
500 to collect