The principal medium machine gun, the Breda M37, had its shortcomings, the main one being that it used 20-round strips of cartridges, which gave it a reduced rate of fire.
Det vigtigste mellemsvære maskingevær - Breda M37 - havde to svagheder, hvor af den vigtigste var at den brugte 20-skuds striber af patroner, hvilket gav den en reduceret skudhyppighed.