Casings are washed and ready for the next reloading. I definitely want to keep learning more. The Trapdoor rifle I plan to sell though. So in case you know anyone in Czech Republic who would like to buy it (unregulated and freely sold at 18 years old without a license here), please let me know. Since blackpowder is also unregulated here you may even reload your own casings. Just need to buy primers in Germany for example since there they are unregulated.
The LGS in Žižkov currently has a Pedersoli Rolling Block replica and with this I feel like I can experiment more safely with blackpowder .45-70 than with a 150+ years old Trapdoor.