UK Ordnance QF 17 Pounder Anti Tank Gun Specifications:

Caliber: 3 inch / 55 cal
Weight: 4,700lbs
Barrel Length: 165 inches
Range: 1,500 yards (1,100 yards Discarding Sabot rounds penetrate 200mm amor plate at a 60 degree angle)
Crew: 5
Muzzle Velocity: 2,900fps
Rate of Fire: 10 rounds per minute
Shell Weight: 17lbs
Entered Service: 1942

This anti tank gun was used by the Canadian Armed Forces in WWII