This weapon was vaulted in the 7.0 update to Fortnite Battle Royale.
This means this weapon can no longer be found in game.
The Port-a-Fort is an item in Fortnite Battle Royale.
What it does
Builds a 1 by 1, 3 tile high base made of metal with an upside down pyramid on top
How to use
You throw the Port-a-Fort like a grenade and it quickly builds a fort for defense.