 Voroshilov carried nine 180-millimeter (7.1 in) 57-caliber B-1-P guns in three electrically powered MK-3-180 triple turrets. Her secondary armament consisted of six single 100-millimeter (3.9 in) 56-caliber B-34 anti-aircraft guns fitted on each side of the rear funnel. The ship's light AA guns consisted of six semi-automatic 45-millimeter (1.8 in) 21-K AA guns and four DK 12.7-millimeter (0.50 in) machine guns. Six 533-millimeter (21.0 in) 39-Yu torpedo tubes were fitted in two triple mountings.
