
It featured an extendable stock and a larger ammunition magazine. This blaster improved on the DC-15 design, making it easier to aim. The ARCs made great use of the attachable one shoot pump missile launcher and the rapid and powerful bursts of the gun to buy time for their teammates to save the surviving Jedi Generals. The WESTAR-M5 also proved effective on Hypori when a crack team of ARC troopers were sent to rescue the surving Jedi. This weapon was seen as being very effective on such missions as the Battle of Muunilinst, where not only did it prove useful in providing rapid cover fire, but also of being able to break through the armor on the top of an Armored Assault Tank and disable it with several shots from the inside. The blaster rifle could be calibrated to fire in semi-automatic, automatic, and burst-fire modes, and could be equipped with a variety of attachments, including a Merr-Sonn PLX-1m micro-rocket launcher that could be used against armored enemies. They were very efficient and deadly weapons that could be fitted with a single shot, pump-action micro rocket launcher.

They were mainly used by Advanced Recon Commandos and Galactic Marines during the later years of the conflict.

The WESTAR-M5 blaster rifle was a blaster rifle used during the Clone Wars by the Grand Army of the Republic.
