The main armament of the "Le Hardi"-class ships consisted of six 45-caliber Canon de 130 mm Modèle 1932 guns in three twin-gun turrets, one forward and a superfiring pair aft of the superstructure. The electrically powered turrets were protected by of armour. The guns had an elevation range between −10° and +30° and each one was provided with 170 semi-armour-piercing and 10 star shells. They fired a shell at a muzzle velocity of . This gave them a range of at an elevation of 30°.