A high-tech weapon from
Valve Software's
First-Person Shooter,
Half-Life.
You find this gun in the latter part of the game, in a lab area. It has a very high
rate of fire, shooting
beams of energy that do 20
points of damage each. You can also charge up the weapon to a
devastating effect. It can
gib most creatures, and can take down a helicopter in two hits.
It shares ammo with the
Gluon Gun.