The weapon parts are in 3 specific locations. Go to Plaguelands patrol and kill enemies until you get all of the manual pages. When you turn in the schematic, you will get a quest to pick up manual pages and weapon parts. Jump on it and kill the Pilot Servitor to get the schematic. Keep going until you see the Fallen Ketch (ship).Once in the divide, go left into the Breach and follow that until you make it out in the open area.From the Rocketyard, go left until you reach the Divide, opposite direction of the Devil's Lair strike.Follow that until you make it out to the Rocketyard.When you go to Plaguelands patrol, go right and continue until you see a building you can go through that leads to Foundry 113.Take that to the temple and you'll get the quest. Go to the Fallen Ketch during Plaguelands patrolīoth of these methods will give you a Khvostov Schematic item.Dismantle the normal Khvostov you got from the beginning of the game.There are 2 ways you can start this quest.
How to Get Exotic Khvostov - The quests required to get the weapon.How to Get the Starting Quest - What you need to start the quest for the exotic weapon.This guide will go over how to get the exotic Khvostov in Destiny Rise of Iron including: You can also check out my guide to get the Gjallarhorn. I'll help by going over the method and quests required to unlock the exotic Khvostov.