Original sentence: Primary Armament  125 mm Smoothbore (2A46)  105 mm Rifled (KM68A1)  120mm / L44 Smoothbore (KM256)  120mm / L55 Smoothbore (Rh120)  125 mm Smoothbore (2A46M-1)  125 mm Smoothbore (2A46M-1)  120 mm Smoothbore / L44 (M256)
Edited sentence: Primary Armament  125 mm Smoothbore (2A46)  105 mm Rifled (KM68A1)  120mm / L44 Smoothbore (KM256)  120mm / L55 Smoothbore  125 mm Smoothbore (2A46M-1)  125 mm Smoothbore (2A46M-1)  120 mm Smoothbore / L44 (M256)