The.38 Long Colt, also known as.38 LC, is a black powder centerfire cartridge introduced by Colt's Manufacturing Company in 1875. In 1892, it was adopted as a standard military pistol cartridge by the
Diagram of .38 Long Colt U.S. Army "ball cartridge", with dimensions in inches.
The.38 Special, also commonly known as.38 S&W Special,.38 Smith & Wesson Special,.38 Spl,.38 Spc, or 9×29mmR is a rimmed, centerfire cartridge designed by Smith & Wesson.
.38 Special cartridge
First model M&P revolver designed in 1899 for the .38 Special cartridge. This particular revolver left the factory in 1900.
Smith & Wesson M&P in .38 Special produced in 1899