A conversion of the M10 Wolverine to adapt it better to the British army and its logistics. Both variants were used by the British but the 17pdr conversion became the most numerous post-D-day.
APDS rounds will only appear on certain maps, and then it will be random which armour piercing round will be fired. APDS could penetrate more than 200mm at a target 500 meters away.
Unlike the Sherman Firefly there are no machineguns at all in this vehicle. Which means it ought to hold its distance with infantry and engage if needed with HE.