Machine Gun

This is a list of Machine Guns, Mounted and Handheld

Entente
Browning M1917 (USA)

Colt Browning M1895 Potato Digger (USA)

FIAT-Revelli Modello 1914 (Kingdom of Italy)

FIAT-Revelli Modello 1915 (Kingdom of Italy, is it a submachine or machine gun?)

Fusil-Mitrailleur Modele 1915 CSRG (France, Belgium, and others)

Hotchkiss Model 1909 ( USA, England, and others)

Hotchkiss Model 1914 ( France, Belgium, and others)

MGun Model 1914 "Lewis" (England, USA, and others)

Vickers Machine Gun (England, Canada and others)

Central Powers
Madsen Machine Gun (Denmark, Germany, and others)

Maxim MG08 (Maschinengewehr 08) (Germany, Austria and others)

Maxim MG08/15 (Germany, Austria, and others)

Schwarzlose MG (Austria, Bulgaria, and others)