To understand the .38 ACP, you’ve got to put yourself in the boots of a U.S. cavalryman at the turn of the 20th century. The sidearm of the day? Likely a Colt Army revolver in .38 Long Colt. Trouble was, that round just didn’t get the job done.

To understand the .38 ACP, you’ve got to put yourself in the boots of a U.S. cavalryman at the turn of the 20th century. The sidearm of the day? Likely a Colt Army revolver in .38 Long Colt. Trouble was, that round just didn’t get the job done.
There’s something mythic about the early days of automatic pistols—something mechanical, experimental, and undeniably American.
From the earliest semi-automatic designs to the iconic 1911, John M. Browning’s genius forever changed the landscape of handguns.