Gamma gun (Fallout 4)

The gamma gun is a weapon in Fallout 4.

Characteristics
The gamma gun delivers short burst of radiation damage. It's ineffective against radiation-immune enemies, and its limited ammo capacity means it requires frequent reloads, but this lightweight gun can devastate vulnerable targets.

Variants
Assassin's Gamma Gun - Does 50% more damage against humans.

Enraging Gamma Gun - Critical hits cause target to frenzy.

Ghoul Slayer's Gamma Gun - Does 50% more damage against ghouls. NOTE: This variant actually heals ghouls, rather than hurting them.

Irradiated Gamma Gun - Deals 50 extra points of radiation damage.

Lorenzo's Artifact - unique variant (actually a standard Gamma Gun with a unique Lorenzo's Artifact weapon mod); deals 25 points ballistic and 10 points radiation damage per hit, causes massive knockback on human targets.

Neverending Gamma Gun - Infinite clip (Never reload)

Nimble Gamma Gun - 75% faster movement while aiming.

Relentless Gamma Gun - Refills your action points on critical hit.

Trouble Maker's Gamma Gun - 50% more damage against robots

VATS Enhanced Gamma Gun - improved VATS hit chance, 25% less Action Point cost.

Zeta gun- outfitted with the zeta wave barrel

Locations
Owned by Child of Atom cultists.
 * Decayed reactor site
 * Dartmouth Professional building
 * Kingsport Lighthouse

The zeta gun can be found on a table in the science lab of the cabot house.