<page_title> ISU-152 </page_title> <section_title> Heavy self-propelled artillery </section_title> <table> <cell> Armor-piercing <col_header> Ammunition type </col_header> <row_header> 53-BR-540 </row_header> </cell> <cell> 48.78 kg <col_header> Shell weight </col_header> <row_header> 53-BR-540 </row_header> </cell> </table>
The armor-piercing round weighed 48.78 kg.