I hear people saying that the Phantom is technically better than the Vandal, but I don't see it. I've consistently been hitting my shots first, but all they have to do is land a single headshot and I die. I seriously don't understand how...

I’ve been playing for a few months now, it’s my first FPS game and I’m pretty new to PC gaming too so, I’m iron lol. I’ve tried watching YouTube videos but a lot of them just seem to say “get better aim/game sense” but how do I improve game...