The Model 27 is the original .357 Magnum revolver, introduced in 1935 as the Registered Magnum and catalogued as the Model 27 from 1957. Built on the large N-frame with premium hand-fitted actions, it was S&W's top-of-line service revolver for decades. The 4-inch Classic variant is the duty-length configuration with N-frame mass absorbing recoil more comfortably than K-frame alternatives. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1935, USA Weight: 44 oz Overall length: 9.5" Status: Active Intended use: duty, collector, historical, law_enforcement