The M16 Multiple Gun Motor Carriage, also known as the M16 Half-track, was an American self-propelled anti-aircraft weapon built during World War II. It was equipped with four 0.5 inch (12.7 mm) M2 Browning machine guns in a M45 Quadmount. 2700 were produced by White Motor Company from May 1943 to March 1944, with 568 M13 MGMCs and 109 T10 Half-tracks being converted into M16s as well.

M16 semi tracked vehicle The main low altitude defense weapons of the US Army