"bernd von arnim" carried five 12.7 cm sk c/34 guns in single mounts with gun shields, two each superimposed, fore and aft. the fifth gun was carried on top of the rear deckhouse. her anti-aircraft armament consisted of four 3.7 cm sk c/30 guns in two twin mounts abreast the rear funnel and six 2 cm c/30 guns in single mounts. the ship carried eight above-water torpedo tubes in two power-operated mounts. a pair of reload torpedoes were provided for each mount. four depth charge throwers were mounted on the sides of the rear deckhouse and they were supplemented by six racks for individual depth charges on the sides of the stern. enough depth charges were carried for either two or four patterns of 16 charges each. mine rails could be fitted on the rear deck that had a maximum capacity of 60 mines. 'ghg' ("gruppenhorchgerät") passive hydrophones were fitted to detect submarines.