The Model 40 Centennial is the hammerless (internal hammer) double-action-only J-Frame, offering the cleanest possible snag-free draw. The fully enclosed hammer makes it impossible to catch on clothing and enables comfortable pocket carry without a holster. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 5 Year introduced: 1953, USA Weight: 20 oz Overall length: 6.25" Status: Discontinued Intended use: Carry, Plainclothes, Concealed Carry