There is no dearth of special weapons that you will find in Fortnite, and the Ex-Caliber Rifle is one of them. As a part of the 14 Days of Summer event, you need to find and use an Ex-Caliber Rifle to deal direct damage to an enemy.
This challenge can effectively be broken down into two parts, one where you look for the weapon, and the other where you use it to deal damage to an enemy. The former isn't exactly tricky, but it's the latter where things get difficult.
