This gun was named for its inventor ... deadlier models. The 1860 Army Colt shot .44 caliber bullets, which did much more damage. And by the time of Jesse's bank robberies in the early 1870s ...

1835 - The first Colt revolver. Samuel Colt developed the first ... 1859 - The first full rim-fire cartridge. 1860 - Spencer repeating carbine patented. Introduced at the start of the Civil ...