There’s one chest in each Fortnite Reload match that drops all of the five Exotic weapons listed above and is quite rare to find. To find the Exotic weapons chest, all you need to do is visit Named Locations on the Reload island as they spawn randomly in each match.

Heisted Explosive Assault Rifle
Heisted Accelerant Shotgun
Heisted Breacher Shotgun
Heisted Run ‘N’ Gun SMG
Heisted Blink Mag SMG