ISU-152
…and charge) ammunition, and had a rate of fire of 2 rounds per minute. It used the engine, transmission, running gear, and electric equipment of the ISU-122. In August 1944 the BL-8 gun was replaced with the improved 152.4 mm BL-10 (БЛ-10) long-barreled gun, with a slightly shorter barrel of 7.392 metres…