The Second Assault Add-on for Battlefield 4 has 5 achievements worth 120 gamerscore.
Kill an enemy with a ceiling collapse in Operation Metro
Find the hidden tunnel in Caspian Border
Ignite a brush fire using the repair tool in Operation Metro or Caspian Border
Kill an enemy flag carrier while carrying their flag in CTF
In a round get 5 kills with air vehicles in Gulf of Oman