General Zhao's Revenge (at Trudy at Drumlin Diner).

Rockville boxer (Arturo salesman in Diamond City).

Shem Draun's sword (quest The Gilded Grasshopper).

Grognack's Ax (showcase Hubris Comics).

Vicious Power Knuckle (Kill Swan in Boston Common).

Uazelnaya Wintok (at Sean after quests for the Institute).

Death from heaven (having received the title of paladin, you can buy from Tigan).

Last Minute (buy from Ronnie Shaw after the Old Cannons quest).

Volley (complete a series of missions for robots from the USS Constitution ship).

Good intentions (Ruins of Quincy, kill Quint).

In it there is a button that opens access to the secret room)

Prototype UP77 (after breaking into the terminal at University Point, a vault will open.

Nail Gun (there is a bomb shelter southeast of Diamond City).

Wasteland Friend (buy from Deb in Bunker Hill).

Le fusil terrible (the top of the tower in the Libertalia location).

According to merit (buy from Penny in the Alliance).

Winner (pumping station to the north of Finch's farm.

Experiment 18-A (at the synth at the Institute).

Virgil's carbine (if you kill Virgil or say you didn't bring the serum).

Special offer from Technician Tom (buy from Technician Tom - member of the Underground).

Press and Pray (buy from Cricket, which sometimes appears near Vault 81).

Extraterrestrial pistol(a cave not far from the place where the alien ship crashed).

Special kit for survival (mission The Lost Patrol).

Singer (buy from KL-E-O In Neighborhood).

Loyal Friend (buy from Arturo in Diamond City).

Big boy(in Diamond City, merchant Arturo).

The Righteous Sovereign (after the Call to Arms quest).

Scrapbook (found during the Call to Arms quest).

There are both firearms and special edged weapons. It is received as a reward for quests, bought or found.

In addition to conventional weapons, there are unique weapon in Fallout 4. Fallout 4 rare and unique weapons weapon overview

Fallout 4 gravity gun