Like the two other versions with longer barrels, the 3" barrled version of the Colt Python is chambered for .357 Mag., with a 6-round cylinder. Its 3" barrel has six grooves with a twist rate of 1 ...

In June 1955, Colt’s Mfg. Co.’s new masterpiece, the Python double-action revolver, was first shipped from the Hartford, Conn., factory, beginning a half-century of continuous production.

One of seven mid-20th century Colt handguns named after snakes, the Python was introduced in 1955. The Python was a beefy, all steel and wood revolver chambered in .357 Magnum.

Colt Manufacturing Company LLC showed off the reintroduction of its .357 Magnum Python revolver at SHOT Show 2020.