(electric motor core, hose nozzle, heavy spring, metal shielding from computers, dead bolt piece, scrap wood, etc.)
Classic hand weapon of choice on planet Vermillian during their annual purge of the Orkintoids, an insect like creature that laid eggs in human hosts as a form of mind control. I swear I'm not making this stuff up folks!
Disclaimer: All ray guns for sale here have been deactivated and the power cells drained
in order to avoid any unnecessary and possibly messy explanations to next of kin.