The bottom half of the following page talks about the limitations of shooting Pedersoli guns with smokeless loads. It's recommended to only use loading data supplied by powder manufacturers or in loading manuals that list the pressures. That way only trusted and verified loading information is being used.
PEDERSOLI PROOF TESTING STATEMENT
All Pedersoli rifles are proof tested at the (Italian government) National Firing Proof House with smokeless powder cartridges with a pressure exceeding that of the ‘commercial’ factory made ammunition by 30 %....