Off the Dome (XO-16)

Off the Dome Requirements: Get 10 headshots with the XO-16 Chaingun. Reward: 500xp Category: XO-16

Off the Dome (XO-16) is one of the many challenges in Titanfall.

How to Get Off the Dome (XO-16)

This is likely to happen passively, as headshots are easy to claim on level ground.