The reloading of bullets is very common among foreigners now. The general process is: pick up the shell casing, eject the waste primer cap with tools, clean, polish, reshape, install new primer (buy ready-made propellant), install propellant (buy ready-made propellant), install warhead (buy ready-made new warhead), and close the mouth. After installation, the performance is basically close to that produced by the factory.

But at that time, even if the conditions were worse, we had to eject the waste primer cap and install a new primer (made by ourselves), as well as propellant (not firecrackers, too fierce) and new warheads. Just do it yourself, and the performance is greatly reduced ~