Experiment 18-A

Experiment 18-A is an unique weapon in Fallout 4.

Gameplay
Experiment 18-A is a unique automatic plasma rifle. The rifle has the Rapid Legendary effect, which grants the weapon a 25% faster fire rate and 15% faster reload. A unique variant called Sentinel's Plasmacaster with the Instigating Legendary effect is sold by Proctor Teagan after completing A New Dawn.

Variants

 * Plasma gun, the common variant found around the Commonwealth.
 * Sentinel's Plasmacaster, a unique plasma gun with the Instigating Legendary effect. It is sold by Proctor Teagan in the Prydwen after completing A New Dawn.

Locations

 * Experiment 18-A can be purchased from the synth requisition officer in the Institute.