45 Colt cartridge. This very powerful round started as a breech-loader in revolvers and became a standard-issue sidearm for the U.S. Army, earning its stripes during the Indian Wars and in the ...

During the visit, Sheehy reportedly was asked about a bullet wound in his arm, telling a National Park ranger that he had accidentally shot himself with a Colt .45 revolver while in the park ...

This gun was named for its inventor ... the weapon of choice was the Colt .45 Peacemaker, which combined the bullet, gunpowder, and percussion cap in one cartridge and was therefore much easier ...