The airplane went in production in 1947. The fuselage is narrow with tall swept fin. A round air intake in the nose is vertically divided in half. Gun fairings are attached to lower fuselage with gun barrels protruding from the fairings. Wings are swept with slightly rounded tips.
Tailplane is swept with square tips and is set in the middle of the fin.
Short landing gear with nose wheel is retractable. First prototype I-310 flew on December 30, 1947. The airplane went in production in 1948. The fuselage is round with a large tail fin which extends beyond the engine exhaust. Round air intake in the nose is vertically divided in half.