"Bunker Buster" shells were missiles used by both Armored Assault Tanks of the Separatist Droid Army[2] and TX-130 Saber-class fighter tanks of the Grand Army of the Republic. At one point, an AAT used these shells against phase II clone troopers.[1]
Sources
- Star Wars: Legion — TX-130 Saber-class Fighter Tank Unit Expansion Card: "Bunker Buster" Shells Reissued in AAT Trade Federation Battle Tank, LAAT/le Patrol Transport, and NR-N99 Persuader-class Tank Droid Unit Expansions, and Separatist Invasion Battle Force Starter Set (First mentioned, simultaneous with AAT Trade Federation Battle Tank Unit Expansion)
Patrolling the Skies on Fantasy Flight Games' official website (backup link)