Basically what the title says. I've seen many people who are very good with the op doing this thing. They shoot and then quickly switch to the knife and then back to the op. What benefits does it have?

I like buying half armour in the first round unless I’m Phoenix or Reyna. I feel like I can get hit 4 times in the body with a classic, ghost, or frenzy and still survive. Sometimes the enemy asks “who buys armour on pistol round” when they...