M2 Browning

The M2 Machine Gun or Browning .50 Caliber Machine Gun is a heavy machine gun designed toward the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, which was chambered for the .30-06 cartridge. Wikipedia

Maximum firing range: 7,400 m (8,100 yd)

Rate of fire: 450–600 rounds/min (M2HB); 750–850 rounds/min (AN/M2); 1,200–1,300 rounds/min (AN/M3)

In service: 1933–present

Action: Recoil operation

Muzzle velocity: 2,910 ft/s (890 m/s) for M33 ball

Barrel length: 1,143 mm (45.0 in)

Did you know: M2 Browning is the smallest anti-aircraft gun by caliber (12.7 mm). wikipedia.org