A pump action shotgun with a wooden stock, suppressor, and rifle-style sights that fires shotgun shells using a pump-action mechanism. Found exclusively in the Nuclear Winter mode, it has a specific set of modifications applied. No other configurations are found in the Nuclear Winter mode.
- Like other Nuclear Winter weapons, the name of the pump action shotgun found in Nuclear Winter isn't affected by modification prefixes.
- The pump action shotgun uses modifications with the same names as those in Adventure mode but are separate entities created specifically for the Nuclear Winter game mode.