Sig

Sig was a notoriously inaccurate blaster gas that produced armor-piercing shots. Due to its ability to puncture armor, it was almost banned and became a favored by criminals several centuries before the outbreak of the Clone Wars. At that time the Galactic Republic's Bureau of Sig, Spice, and Slavery was formed to combat organized crime.

Behind the scenes
Sig was first mentioned in the new Star Wars canon in Rise of the Separatists, a 2019 supplement to Fantasy Flight Games' series of Star Wars roleplaying products. It originated in the Star Wars Legends continuity, where it first appeared in Galaxy Guide 2: Yavin and Bespin, an 1989 supplement to West End Games' Star Wars: The Roleplaying Game.