with more than 30,000 produced, the Messerschmitt Bf109 is the most prolifically manufactured fighter in history; of its variations, the G-6 ended up being many many at 13,000 aircraft. In response to improving Allied foes floating around, Bf109 G aircraft had the greater amount of effective DB605 engine, and from the G-6 had been designed with dual 13mm MG131 machine weapons that needed the distinctive bulges on either side associated with the cockpit cowling called "Beule." Some had been even given a 20mm cannon gondola under each wing for further enhanced firepower. The Bf109 G-6 had been deployed on both Western and Eastern fronts, particularly dominating Soviet adversaries because it proceeded operating until the end of WWII.