Colt M1892

[3] The revolver featured a counter-clockwise rotating cylinder, which could be opened for loading and ejection by simply pulling back on a catch mounted on the left side of the frame behind the recoil shield.

Roosevelt brandished this pistol to rally his Rough Riders during the famed charge up San Juan Hill on July 1, 1898.

Specifically, users complained that the .38 bullet repeatedly failed to stop charging Filipino rebels at close ranges, even when hit multiple times.

[7] In the rush to furnish arms to the rapidly expanding Army and Navy after the United States entered World War I, surplus stocks of these old Colts were inspected, refurbished as needed, and then issued to rear-echelon Army troops and Navy officers as a substitute standard side arm.

During its service life, the M1892 series received modifications to the basic design, including cylinder lockwork, the addition (in 1894) of an interlock between the cylinder latch and the trigger and hammer, different barrel markings, the addition of a lanyard ring in the Model 1901, and a reduction of bore diameter in the Model 1903 in an effort to increase accuracy.

Colt New Army Model 1892 series revolver
A cutaway diagram showing the lockwork