I imagine very few, if any people today have seen an original Remington double derringer shooting original style black powder .41 rimfire shorts. Mine are original style copper rimfire cases that have been reprimed, then loaded with 12.0gr of 3F and an original style bullet. Contrary to what you may read on the internet, it is a formidable cartridge at card table range on a soft target. Check it out
https://youtu.be/XeQVLCbdXGk