Sanctuary, Prototype Radiation Burst Weapon

original movie prop

In second season episode End of Nights Part II, Helen Magnus assigns Tesla and Henry the task of creating a weapon that will stop her mutated daughter Ashley and the other superabnormals now working for the Cabal, hopefully without killing them.  When the nonlethal version only slows them down, Magnus reluctantly orders the weapon further modified to kill the superabnormals, including her daughter, dead in their tracks.

Big, heavy, all metal two-handed prop energy weapon, seen throughout the episode.  Trigger depresses with a satisfying loud click.  Missing a few components, and although the piece has electronics in place for instrument panel illumination as seen onscreen, these are currently nonfunctional (possibly just a depleted battery).

From Legends Memorabilia.