Magus III energy weapon
The Magus III energy weapon was a type of energy-beam rifle. 

In 2367, when REM sleep-deprived crewmembers aboard the  began to draft conspiracy theories about their inability to escape the Tyken's Rift in Ten Forward, Guinan grabbed the weapon from under the counter, set the setting on the weapon to one, and fired the rifle into the ceiling above the mob, which defused the situation. Guinan informed them she had acquired the rifle on Magus III and asked if anyone wanted to see setting two. ()

Hand-held weapons
Directed energy weapons