The Schwarzlose M07/12 is a austria-hungary-made delayed blowback machine gun chambered in 8x50mmR Mannlicher, introduced in 1907. Primary use: military. Type: Machine Gun Action: Delayed Blowback Caliber: 8x50mmR Mannlicher Capacity: 250 Year introduced: 1907, Austria-Hungary Weight: 256 oz Overall length: 47.5" Status: Discontinued Military use: Yes Intended use: military