The 3.5" barrel Registered Magnum and Model 27 is among the rarest pre-war barrel lengths — short enough for carry but large enough that N-Frame concealability was a debatable goal. Used primarily by officers who wanted N-Frame durability in a compact package. Type: Revolver Action: Double-Action Caliber: 357 Magnum Capacity: 6 Year introduced: 1935, USA Weight: 40.5 oz Overall length: 9" Status: Discontinued Intended use: Law Enforcement / Carry