The Model 20 was an N-Frame revolver chambered in .38-44 — a heavy-loaded .38 Special variant intended for use only in the larger N-Frame revolvers. It was designed as an alternative to the .357 Magnum before that cartridge was introduced. Type: Revolver Action: Double-Action Caliber: 38-44 Capacity: 6 Year introduced: 1931, USA Weight: 40 oz Overall length: 11.5" Status: Discontinued Intended use: Law Enforcement