The MiG-3 was ordered into production in December 1940. First deliveries of the new fighter to front line fighter squadrons occurred in April 1941. The MiG-3 remained in series production until the last week of December 1941, Total MiG-3 production amounted to some 3120 aircraft, The MiG-3 remained in service almost to the end of the war; wrecked aircraft were often cannibali-zed to keep others flying.