First M16 Helmets came at November 1915. At Januar 1916, 30.000 M16 Helmets
were worn mainly in Somme and Verdun. First time only in the frontlines and were changed with reserve troops.
April 1916 1,5 Million M16 helmets were commissioned from the Heeresleitung.
From 1917 most of the german troops (except Artillerie), worn this helmet