We didnt sing the praises of kf2 enough. All swat weapons control the same because on-perk offers no recoil reduction. That is cool and off-perk not isn't stronger but it's funner. Being stuck on with ballistic damage isn't as fun as interacting with type weaknesses.
Off perk is not playing survivalist. It's being creative on a perk like support.

Make note of metal bosses and their weakness to the HRG Arc Generator. Boss wave will never be the same https://wiki.killingfloor2.com/index.php?title=Patriarch_(Killing_Floor_2)#:~:text=%20ArcGeneratorSphereImpact