How to unlock the Aim-OP V4 scope for Warzone 2

You've probably seen the Aim-OP V4 scope being used a lot in recent loadouts from this website but also from many pros. 

The reason is that it's in my opinion the perfect combination between

  • The high zoom like VLK 4.0 or Schlager 3.4x that have a little bit of visual recoil
  • The low zoom like Slimline Pro or Cronen Mini pro that are not ideal for long-range shots.

How to unlock the Aim-OP V4 scope for Warzone 2?

To unlock this optic, you'll need to level up the new SMG called BAS-P to level 5.