This quick showcase video shows all animations and sounds of fourth new weapon OTs 9 submachine gun added to Call of Duty: Black Ops Cold War and Call of Duty: Warzone in Season 4.

0:00 OTs 9 (Black Ops Cold War)
0:31 OTs 9 (Warzone)
1:14 OTs 9 + Fast Mag + Suppressor (Black Ops Cold War)
1:41 OTs 9 + Fast Mag + Suppressor (Warzone)
2:21 OTs 9 + Extended Mag (Black Ops Cold War)
2:57 OTs 9 + Extended Mag (Warzone)

3:42 End