 FACT: The character says Sam Colt built the gun and made 13  "bullets" in 1836. As a firearm lover, I must disagree: in 1836,  revolvers were "percussion guns", that is, one had to load a  percussion cap (usually #11), fill the cylinder chamber with  gunpowder then push a lead bullet over this load and repeat the  process on the remaining chambers (5). The shown firearm looks like  a .45 Colt from about 1873. The metallic cartridge (the one we still  use now) were introduced around 1860, so we have at least a 30