Yeah, totally understand and agree with your thoughts about this item. This was one of the many stats I rescued from the defunct Dark Lords of the Sith website, which did have quite a few stats which I didn't agree with 100%.
All I was trying to say above was that I kind of understand the authors choices, Firearms are old tech, so cheap, Silencers in movies are silent. And the idea of a massive sniper cannon is quite cool. However, no thought was made towards balance at all.
The description does make it sound like some kind of railgun (for another RPG I designed weapons which worked in a similar manner, but were very slow to fire, very noisy, and very expensive).
(And as another point, I never spell check submissions to the site, when someone sends something in for the site, I post it as is, because if I start spell checking, then it's tempting to grammar check, and then tempting to edit and correct perceived errors, and suddenly I'm altering stuff from what the originator conceived.)