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 1942. [1]

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 entered military service in 1942, used in the Bell P-39 Airacobra and P-63 Kingcobra aircraft.

The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.

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 Kingcobra fighters, as well as experimentally on other designs.

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 Kingcobra fighters, as well as experimentally on other designs.

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 the T9/M4.

The 37 mm Automatic Gun M4 / M10 is a WW2 American aircraft cannon. The 37 mm Autocannon M10 was a minor improvement of the M4, the largest firearm designed by John Moses Browning. It was fed by metallic disintegrating link belt and had a slightly higher rate of fire 165 rpm. Specifications (1921 – 1938) Type* Aircraft autocannon

It was designated the M4 and fired a variety of armour piercing and high explosive ammunition, feeding from a 30 round belt. The 37mm autocannon’s compact design made it ideal for mounting on aircraft, including the Bell P-39 Airacobra and on board PT boats.

The 37 x 145 mm R 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 develop an aircraft weapon that would fire projectiles …

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 ...