90mm M3 L/52

The 90mm M3 L/52 is an American anti-aircraft gun, converted to tank gun, similar to the German 8.8cm Flak 18. It is used on the M26 Pershing, and has very good penetration power. It is able to deal with Panzer VI Tigers with relative ease, but is unable to penetrate the frontal armor of a Panzer VI Ausf. B Tiger II.