The Manufacture d'Armes de Saint-Étienne Darne M1922 Aircraft LMG is a france-made full-auto lmg chambered in 7.5x54mm French, introduced in 1922. Primary use: military. Type: Machine Gun Action: Full-Auto Caliber: 7.5x54mm French Capacity: 100 Year introduced: 1922, France Weight: 256 oz Overall length: 47.5" Status: Discontinued Military use: Yes Intended use: military