The 301 was designed as a military bomber, with a Mach 4 / 4,250 km/hr cruise capability at 25,000 to 27,000 m altitude. It was equipped with two turboramjets, had a gross takeoff mass of 80 tonnes, of which half was fuel. It may be related to the first stage of the MIGAKS two-stage vehicle.

Total Mass: 80,000 kg.

• 301 - Butowski, Piotr, Air Forces Monthly Special, X-Planes, "Black Reds", February 1998, p. 35.