The Brite Gunner skin is an Epic Fortnite outfit. Brite Gunner was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Brite Gunner Outfit Details
Look on the bright side.
Fortnite Brite Gunner Outfit PNG Images
Here is the PNG images of Brite Gunner below!