Browning water-cooled heavy machine gun — the standard US HMG of WWI and WWII. Mounted on the M1917 tripod. Sustained fire capable due to water cooling. Slow to set up but almost unstoppable in a defensive position. Type: Machine Gun Action: Recoil-Operated Caliber: .30-06 Springfield Capacity: 250 Year introduced: 1917, USA Weight: 624 oz Overall length: 38.5" Status: Discontinued Military use: Yes Intended use: military