Literally pure RNG and skilless.
Yeah I get thats kinda BR as a whole, but this armors a joke. Blackout does armor pretty well, no headshot protection, levels just decrease damage and you can repair with plates.
BFV system is trash, its literally just more health, 1v2 gunfights are unwinnable if you dont have armor, destroy the first guy, get the jump on the 2nd and *almost* kill him until he has 100more HP than you and you're done.
If there was no headshot protection it'd kinda help balance that out, but thats pointless anyway.
Literally please, just copy/paste blackouts armor system and it'd be infinitely better than what we have now. Gunfights are utterly unwinnable purely because of the severe lack of plates and the fact that plates=more health.
Ignoring the looting/inventory system, this is literally the worst part about Firestorm. What would be a fun experience otherwise is simply murdered by the awful armor mechanics (and lack of ammo)