The WESTAR-34 fired powerful bolts that were very effective at close range. The blaster was designed specifically for sustained close-range use, utilizing its dallorian construction to absorb more heat than a standard blaster. The pistol's expensive custom-made finish made it impervious to furnace fire. They were also small and compact enough to fit into a jetpack.
Favoring agility and precision over high capacity, Jango Fett had a pair of WESTAR-34 blaster pistols custom-made. Designed for brief but intense surprise attacks at close range, the pistols had weight-minimizing modifications and were made of an expensive Dallorian alloy which could withstand sustained-fire heating that would melt most ordinary guns. During his duel with Obi-Wan Kenobi on Kamino, Jango lost one of his WESTARs to the raging sea. He continued to use his remaining blaster against Jedi Knights on Geonosis, killingColeman Trebor. Jango managed to finish off the Reek in the Execution Arena with one shot from his pistol. Jango then lost his second blaster to Mace Windu's lightsaberseconds before Mace decapitated him.
A young Boba Fett wielding his custom-fit WESTAR-34 pistols
Quinlan Vos also carried one of these when he was undercover as Korto Vos. After Jango Fett's death, Boba acquired two custom WESTAR-34s that Jango Fett had specially made to fit Boba. Another notable user of the WESTAR-34 was Kal Skirata.
In his first battle with Obi-Wan Kenobi from Attack of the Clones, Jango Fett's pistols sounded much like a regular blaster, but when he used them on Geonosis, they had a unique sound.