 Since the upgrade of 1930 didn't address a problem of limited mobility, in 1934 additional modernization was performed, resulting in 152-mm gun M1910/34.In 1935 the production of M1910/30 was stopped.According to RKKA organization, 152-mm guns were employed by corps artillery and by the Reserve of the Main Command, typically instead of 152-mm gun-howitzer M1937 (ML-20).