Eight beams gather on the positron rifle and then a beam shoots out from the end.
SE <<Zboom!>>
Dr. Nick: I know it's a fantasy weapon, but what are those eight little converging beams?
UrsusArctos: The converging beams entering the back of the weapon sure don't make any sense - where in the world are they coming from? The only thing I can think of is another Star Wars reference to the Death Star, which formed its planet-killer beam from eight converging beams.