The 37 mm Automatic Gun, M4, known as the T9 during development, was a 37 mm (1.46 in) recoil-operated autocannon designed by Browning Arms Company and entered service in …

The 37 mm (1.46 in) M4 Automatic Cannon was a compact, low velocity and rate-of-fire auto-cannon developed by Browning in 1921. Browning and the Colt Firearms Co reworked it into …

37 mm on bow of PT-631. Distinctive "arched" magazine was designed to fit into the nose of P-39 aircraft. US Navy Photograph taken in early 1945.

The 37 mm Automatic Gun, M4, known as the T9 during development, was a 37 mm (1.46 in) auto cannon designed by John Browning and used in the Bell P-39 Airacobra and P-63 …

The 37 mm Automatic Gun, M4 (known as the T9 during development) was a 37mm recoil-operated autocannon designed by the Browning Arms Company and manufactured by Colt. It …

The 37×145mmR was a series of rimmed-case, fixed-ammunition cannon shells for use in the 37mm Browning M4 autocannon. The rapid strides in aircraft protection made it necessary to …

37 mm gun or 3.7 cm gun can refer to several weapons or weapons systems. The "37 mm" refers to the inside diameter of the barrel of the gun, and therefore the diameter of the projectile it …

The 37 mm Automatic Gun, M4, known as the T9 during development, was a 37 mm (1.46 in) autocannon designed by John Browning and used in the Bell P-39 Airacobra and P-63 …

37-mm Gun With Non-Armored Vehicles, Aircraft, and Vessels in World War II covers the M3 and M1A2 Automatic Anti-aircraft Gun mounted in/on the M4 Towed Mount and: PT Boats. …

The 37 mm Automatic Gun, M4, known as the T9 during development, was a 37 mm (1.46 in) recoil-operated autocannon designed by Browning Arms Company and entered service in …