75mm M3 L/40

The 75mm M3 L/40 is an American tank gun used on the M3 Lee and the M4 Sherman. It has a much higher muzzle velocity and penetration rate than the M5A1 Stuart's 37mm M6 L/53. The M24 Chaffee uses a lightweight variant of the M3 L/40, the 75mm M6 L/39.