The Browning M1919A4 .30 Cal GPMG is a usa-made full-auto machine gun chambered in .30-06 Springfield, introduced in 1919. Primary use: military. Type: Machine Gun Action: Full-Auto Caliber: .30-06 Springfield Capacity: 100 Year introduced: 1919, USA Weight: 256 oz Overall length: 47.5" Status: Discontinued Military use: Yes Intended use: military