sentences:  Late-war Italian aircraft began to adopt the "original" calibre German Mauser MG 151 cannon to give their aircraft parity in firepower with Allied fighters, with as many as three MG 151 fitted to Macchi MC.205, Fiat G.55 and Reggiane Re.2005—the third cannon firing through the propeller hub of the German-designed, Italian-built Fiat "Tifone" inline inverted V12 engines used to power these aircraft—in addition to cowl-mounted 12.7mm Bredas-SAFATs.The Breda guns, although adequate in 1935 at the time of their design, were out-classed by the standards of 1940, with Italian fighters such as the Fiat C.R.42, Fiat G.50, Macchi MC.200, Macchi MC.202 and Reggiane Re.2000 still only having two 12.7 mm Breda-SAFAT machine-guns and sometimes two extra 7.7 mm Breda-SAFAT machine-guns.Despite their shortcomings, thousands of Breda guns were built in the 1930s and 1940s, arming nearly every Italian fighter and bomber of that period.