 The main battery of the Tucker class consisted of four 4-inch (100 mm) / 50 Mark 9 guns, with each gun weighing in excess of 6,100 pounds (2,800 kg). The guns fired 33-pound (15 kg) armor-piercing projectiles at 2,900 feet per second (880 m / s). At an elevation of 20 °, the guns had a range of 15,920 yards (14,560 m).
