Original sentence: The Panther's gun mantlet could not be penetrated by either the M4 75 mm gun nor the T-34's 85 mm gun but could be penetrated by well-aimed shots at 100m by the M4 76 mm gun, at 500m by the Soviet 122 mm A19 gun on the IS-2 and at over 2500 yards by the British 17-pounder
Edited sentence: The Panther's gun mantlet could not be penetrated by either the M4 75 mm gun nor the T-34's 85 mm gun but could be penetrated by well-aimed shots at 100 m by the M4 76 mm gun, at 500 m by the Soviet 122 mm A19 gun on the IS-2 and at over 2500 yards by the British 17-pounder