Tactics had been adapted as new forms of the gun have been manufactured. Synonymous with trench warfare, the machine gun was essentially deployed fairly sparsely at the beginning of the war, by the end it was deployed because of the Germans at a level of above thirty for each kilometre https://machguns.com/product/lot-1442-hr-model-50-reising-class-iii-nfa-cr-fully-transferable/