This page of the Biomutant guide contains a walkthrough of The Gunsflexers side quest. Here we've described everything you need to do to complete the task and earn rewards.
Starting the quest
How to start: Finding the Gunsflexers.
Reward: 100 XP.
To start the quest, you must encounter one of the Gunsflexers. They are scattered across different parts of the game world.
Location: Krossway 7J.
You will find this Gunsflexer on the second floor of one of the buildings. The exercise equipment lies right next to the bed.