Epic Games have updated the in-game news feed to announce the arrival of Thermal Scoped Assault Rifles to Fortnite Battle Royale:
The description of the new weapon reads:
New high power Assault Rifle makes it easier to find enemies!
It is likely that the Thermal Scoped Assault Rifle will be added in the next update, which should be dropping tomorrow. As always we will keep you informed if any new information is released.