US Armor & Vehicles

75 mm Gun Motor Carriage M3

Original caption: “The 75 mm GMC M3 was an M3 Halftrack with an M1897A4 75 mm gun mounted in the rear of the halftrack. The gun had an indirect fire range of 9,200 yards (8,400 meters), and fired the AP M72 (Armor Piercing) shell that could penetrate 3.2 inches of armor at 500 yards, the APC M61 (Armor Piercing Capped) shell that could penetrate 2.8 inches of armor at 500 yards, and the HE M48 (High Explosive) shell for use against infantry and other non-armored targets. 59 rounds of 75-mm ammunition were carried aboard. The crew were equipped with a rifle and four carbines for self defense.”