HAH! Yes indeed
I am finding some stuff now -
bomb metric english
______ ________________ ______________
M-30 45 kilograms 100 pounds
M-31 135 kilograms 300 pounds
M-34 225 kilograms 500 pounds
M-44 450 kilograms 1,000 pounds
M-34 900 kilograms 2,000 pounds
______ ________________ ______________
Later in the war, this series was replaced by improved GP bombs:
bomb metric english
______ ________________ ______________
M-57 113 kilograms 250 pounds
M-64 225 kilograms 500 pounds
M-65 450 kilograms 1,000 pounds
M-66 900 kilograms 2,000 pounds