Particle Cannon
Ever wanted to reduce your enemies to steaming piles of goo? Well now you can with the PAC-9000! This overcharged hand-held weapon of mass destruction utilizes advanced energy acceleration technology to fire clusters of super-heated tachyon particles, hurling instant fiery death toward your opponent.
Beware, an experimental weapon such as this has it's drawbacks. It has not been fully tested so may self-destruct at any moment, or could create other such unpredictable results like creating a tear in the space-time continuum and teleporting you to a world of savage giant spaceship-eating Italians.