Competitive trials were conducted between Taubin's design and the newly developed, gas-operated Volkov-Yartsev VYa-23, also a 23mm gun with generally similar characteristics.
Taubin also developed a 23mm tank gun (the PT-23TB (Tank Gun 23mm System Taubina-Baburina)), a 23mm infantry air defense gun,[REF] and a 12.7mm aircraft machine gun (the AN-12.7),