According to РУКОВОДСТВО ДЛЯ АРТИЛЛЕРIЙСКОЙ СЛУЖБЫ (Manual to artillery service) from 1853 - 36 pounder gun corronades Russians had only in Navy. 36 pounder corronades were in fortress artillery and Navy. Russians had two diferent models: 36 pounder corronades and 36 pounder gun corronades. Caliber 36 pounder gun corronade was 173 mm and lenght gun barrel overall 254 cm.