The de Bange 155 mm long cannon mle. 1877 (or more briefly the 155 L de Bange) was the French artillery piece that debuted the 155 mm caliber in widespread use today. Although obsolete by the beginning of World War I, the 155 L was nonetheless pressed into service and became the main counter-battery piece of the French army in the first two years of the war.
Some 155 L guns were also given to France’s allies during the war. Three 155 L were in the possession of the Romanian Army in 1915; this number had increased to four by 1918. Eighty 155 L were given by France to the Russian Empire.
Some were used in Spanish civil War.
The gun is scrath built.