In focus: the Bofors 57mm Mk 3 gun that will equip the Type 31 frigates
Which is the better medium naval gun, the OTO 76mm Super Rapide or the Bofors MK 3/MK 110 57mm? - Quora
152 mm/57 B-38 (152 mm) - War Thunder Wiki
Bofors 120 mm Naval Automatic Gun L/50, Military Wiki
Sweden 57 mm/70 (2.25) SAK Marks 1, 2 and 3 - NavWeaps
Bofors 40 mm Automatic Gun L/70 - Wikipedia
Bofors 57 mm Naval Automatic Gun L/60 - Wikipedia
Bofors 57 mm Naval Automatic Gun L/70 - Wikipedia
Bofors 57 mm Naval Automatic Gun L/70 - Wikipedia
Bofors 40 mm L/60 gun - Wikipedia