The Model 27 is the original .357 Magnum revolver — the first firearm chambered for the .357 Magnum cartridge, introduced in 1935. Built on the large N-Frame, it offered a robust platform for what was then the world's most powerful commercial handgun cartridge. Type: Revolver Action: Double-Action Caliber: 357 Magnum Capacity: 6 Year introduced: 1935, USA Weight: 44 oz Overall length: 11.5" Status: Active Intended use: Service / Hunting / Collector