When lead is not allowed: In general, we recommend the use of steel shot cartridges
with respect to the older English and continental guns. The problem with steel shot
cartridges is that there is a (too) high pressure peak may occur in these patterns,
so that the barrels of such guns can sometimes come right up to the limit of their
In addition, the steel in these cartridges is harder than lead or bismuth. This may eventually cause irreversible mechanical damage to the barrels.
We recommend that you use only bismuth cartridges. Considering the additional cost for these cartridges -