Experiment 18-A

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

Background
This particular urban plasma rifle was an experiment by the Institute, modified for some unknown purpose. It would later become an item for sale in the Institute's general store.

Characteristics
This rifle in particular has the legendary Rapid effect. Provides 25% faster fire rate, 15% faster reload and is guaranteed to have an improved automatic barrel attachment, a receiver providing increased damage and level II improved criticals, and a full stock Otherwise, it's an entirely level-dependent automatic plasma rifle spawn.

Variants

 * Plasma rifle
 * Sentinel's Plasmacaster

Locations

 * The Institute: Sold by the Institute Requisition Vendor.