French gunsmith Benjamin Houllier improved the Lefaucheux pinfire cardboard cartridge and patented in Paris in 1846 in a metallic cartridge .
The Lefaucheux pinfire cardboard cartridge and patented in Paris in 1846 is the first fully metallic pinfire cartridge containing powder ( and a pinfire ) .
French gunsmith Benjamin Houllier improved the Lefaucheux pinfire cardboard cartridge and patented in Paris in 1846 , the first fully metallic pinfire cartridge containing powder ( and a pinfire ) , in a metallic cartridge .