CR.42 - armed with one 12.7 mm machine gun and one 7.7 mm machine gun.
CR.42bis - replaced the 7.7 mm with a second 12.7 mm.
CR.42LW - night fighter-bomber, equipped with exhaust flame dampers, two 12.7 mm machine guns & underwing racks for four 50 kg bombs. 150 were built (112 were used by Luftwaffe).