The Ripper hybrid SMG/Assault Rifle — included in the Devastation DLC pack — is available for Call of Duty: Ghosts Season Pass holders as well as those who have purchased the DLC pack. The Ripper can be found in the Submachine Guns category.

On PlayStation 4, the Ripper may appear locked if your PlayStation 4 is not set as your primary console. Follow the steps to activate your PlayStation 4 as your primary console.
  1. Go to Settings and select PSN.
  2. Go to Activate as Your Primary PS4 and select Activate.
After activating your PlayStation 4 as your primary console, you will then need to restore your license and re-download your Call of Duty: Ghosts Season Pass:
  1. Go to Settings and select PSN.
  2. Select Restore License.
  3. Go to Libraries and select Call of Duty: Ghosts.
  4. Go to Related Items and select My Add-ons.
  5. Select Download the Season Pass.
  6. Launch Call of Duty: Ghosts once the download is complete.