Weapon Mastery Bug

First. In Game,Your weapon must add a level /Weapon or Knife . [ Must 2 ]

When level weapon up! Fast Quit Game. And See Info Yourself.

Mastery all High. [ Dont Wait! ] Go Shop Buy Scope Or Silent!

Well. That all. Thanks You Watching This thread.

Try. Successfully. But When Rejoin Server . The Level Will Change Back Auto

Thank me if Working...
Use at your own risk...