The Gun Runners Arsenal Add-on for Fallout: New Vegas has 5 achievements.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Caused 10,000 damage with unique Mojave Wasteland weapons.