M1918 Browning Automatic Rifle
The Browning Automatic Rifle is a family of American automatic rifles and machine guns used by the United States and numerous other countries during the 20th century. Wikipedia
Designed: 1917
Fire rate: 500–650 rounds/min
Action: Gas-operated, rising bolt lock
In service: 1918–1973 (United States)
No. built: 351,679: 102,174: M1918; 125: Monitor Machine Rifle; 249,380: M1918A2