Forgive me for not being edjucated on the topic, but I have an Armi San Marco 1851 navy and was thinking about doing a conversion on it. I want to buy a kirst gated conversion but I dont know if the cylinder will even work in it. I understand fitting will most likely be required but I dont know whether the pietta or uberti cylinder work fit better. Also I have always wondered if these cylinders have to be used with blackpowder loads or if smokeless is fine. I would really apreciate some help on the issue and thank you.