Messerschmitt Me 310
The Messerschmitt Me 310 was a prototype German heavy fighter of World War II. It was a project to save the aerodynamically troubled Me 210. == Design and development == The armament was to be the same as the Me 210 A-1: two 20 mm MG 151/20 cannon, two 7.92 mm (.312 in) MG 17 machine guns, and two remotely controlled, rearward-firing 13 mm (.51 in) MG 131 machine guns.